Customization: | Available |
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Application: | Power, Electronic, Instrument, Lighting, Rectifier, Audio, Thermal Power, Hydropower,Photovoltaic, Wind Power |
Phase: | Three |
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(1),Dry-type rectifier transformer
Product Description
Converter is a general term for the three working modes of rectification, inversion, and frequency conversion, among which rectification is one of the more widely used. Most industrial rectifier DC power supplies are generated by AC power grids through rectifier equipment composed of rectifier transformers and rectifiers.
Performance characteristics:
1. Safe and reliable: The transformer is made of non-toxic and flame-retardant epoxy resin, with high mechanical strength, flame retardant, fireproof, and pollution-free;
2. Easy installation: The dry rectifier transformer can be put into operation as soon as the entire machine is in place, making it convenient and efficient;
3. High overload: The insulation heat resistance level of the transformer is H level, and the heat resistance temperature reaches 180 ºC. Overload capacity reaches 200%;
4. Low noise: The noise is 3-5 decibels lower than the national standard;
5. Investment savings: Dry type rectifier transformers can be installed together with electrical equipment such as rectifiers, without the need for separate distribution rooms, saving investment space and reducing one-time investment;
6. Variety: The product range is complete, covering special transformers in various fields such as rectifier transformers, electric furnace transformers, and variable frequency transformers;
7. Tailored: It can be flexibly designed and respond quickly according to the specific requirements of customers;
8. Professional certification: Certified by the National Electrical Product Quality Supervision and Inspection Center;
9.The dry-type rectifier transformer produced by Shanghai Zhiyou Company can effectively improve efficiency, reduce comprehensive power consumption, and improve operational reliability. All performance indicators meet or exceed the latest national standards, and it has the advanced level of similar products in China.
(2),ZQSC (H) B series epoxy cast traction rectifier dry-type transformer
Product Description
1. Green power supply is safe and reliable
2. Low electromagnetic radiation pollution
3. The key technical parameters are well balanced, effectively reducing the amount of non characteristic harmonics
4. Strong overload capacity, reliable operation under VI level load conditions
5.The traction rectifier dry-type transformer produced by Shanghai Zhiyou Company can effectively improve efficiency, reduce comprehensive power consumption, and improve operational reliability. All performance indicators meet or exceed the latest national standards, and it has the advanced level of similar domestic products.
Technological innovation
1. The transformer is a 24 pulse rectifier with fewer harmonics;
2. Axial double splitting, eliminating the need for balancing reactors;
3. NOMEX paper insulation system;
4. A single unit with 12 pulses can also operate;
5. Swiss robot fully automatic lamination.
Performance characteristics
1. Transformer core 45 degree full oblique step joint
The iron core is made of imported high magnetic and high-quality grain oriented cold-rolled silicon steel sheets, with 45 degree fully oblique step seams and a special square tube pull plate structure. The core column is tied with insulation tape; The surface is coated with special resin to prevent moisture and rust, effectively reducing no-load loss, no-load current, and iron core noise.
2. Multilayer segmented cylindrical high-voltage coils
The high-voltage winding conductor is wound with F-grade insulated copper wire, reinforced with long and short cut glass fiber felt as filler, and poured with epoxy resin mixture under vacuum (1-3mbar). Effectively suppress the occurrence of partial discharge, with a partial discharge amount not exceeding 5PC.
3. Longitudinal air duct foil structure low-voltage coil
The low-voltage coil is wound using high-quality foil conductors on an automatic foil winding machine, with argon arc protection welding and high welding accuracy; Pre impregnated DMD serves as interlayer insulation, with pre impregnated fiberglass cloth used for insulation both inside and outside. The upper and lower ends are sealed with epoxy resin, and then cured as a whole in a curing furnace, with good moisture resistance.
4. Durable and aesthetically pleasing protective casing
IP20 can prevent solid particles with a diameter greater than 12mm from entering and resist accidental impacts; IP23 not only has the function of IP20, but also prevents water droplets from flowing in at an angle of 60 degrees to the vertical line, making it suitable for outdoor installation and use; Customizable.
5. Comprehensive temperature protection and control device
The overheat protection device mainly achieves transformer temperature detection and control through PT thermistors embedded in low-voltage coils. During the operation of the transformer, the temperature values of the three-phase windings are displayed in a circuit; Display the temperature value of the hottest phase winding; Temperature alarm tripping; Sound and light warning, fan start; Fan overload protection and computer interface.
(3),ZPSG dry-type rectifier variable frequency transformer
Product Description
1. Dry rectifier variable frequency transformer room is a device specifically designed to provide multiphase rectifier power supply for medium and high voltage frequency converters. Our company has applied mature technology and fully considered various types of medium and high voltage frequency converters. We have carefully developed and developed the ZPSG type NOMEX insulated dry rectifier frequency converter transformer.
2. The product includes 9 phase, 12 phase, 18 phase, and 27 equal self cooled and air-cooled rectifier variable frequency transformers.
3. This type of transformer has significant characteristics such as small size, strong overload capacity, small partial discharge, strong short-circuit resistance, flame retardancy, low noise, and 40% energy saving.
4.The dry-type rectifier variable frequency transformer produced by Shanghai Zhiyou Company can effectively improve efficiency, reduce comprehensive power consumption, and improve operational reliability. All performance indicators meet or exceed the latest national standards, and it has the advanced level of similar domestic products.
Performance characteristics
1. Cold rolled silicon steel sheet angle 45 °: The iron core material is made of high-quality cold-rolled silicon steel sheets, carefully stacked at a 45 ° angle.
2. Triangle connection method: The secondary side adopts an extended triangle connection method to reduce the harmonic components of the input current.
3. Layered structure: The secondary side is phase shifted, and the leads adopt a layered structure, with a beautiful appearance.
4. Detachable assembly structure: The partition board adopts a detachable assembly structure.
5. High mechanical strength: High mechanical strength, strong ability to withstand short circuits, safe and reliable operation.
Core advantages
1. Advanced technology: The iron core adopts a multi-stage stepping process through the center positioning structure, and there is no lateral or longitudinal displacement of the iron core under various working conditions.
2. Filter harmonics: Adopting multiple techniques to effectively suppress harmonic content, filter harmonics, and extend the lifespan of the motor.
3. Safe and reliable: The winding adopts various structural types, with strong short-circuit resistance and a dedicated air-cooled guiding system, which has high heat dissipation efficiency.
4. Efficient and energy-saving: Strong overload capacity, energy saving of about 40%, low partial discharge, and low noise.
5. Novel and versatile: With diverse structural types, it can meet the requirements of various frequency conversion systems. The maximum capacity of the product can reach 9000kVA and can achieve 72 pulse rectification.
6. Tailored: Our own factory provides on-demand customization and flexible design for quick response.
(4),ZSG (B) series non encapsulated H-class dry-type rectifier transformer
Product Description:
1. The product is H-grade, the insulation material is C-grade, with strong overload capacity, strong short-circuit resistance, and high safety performance.
2. Adopting high-quality high magnetic silicon steel and multi-stage stepping process, the no-load loss is low.
3. Copper and silicon steel are recyclable, and the insulation material is completely degraded, making them environmentally friendly products.
4. Adopting DuPont Reliatra core technology, reducing volume by 10% and saving materials by 10%.
5. Implement fully intelligent data collection and analysis, intelligent "brain", and proactive operation and maintenance.
6. Moisture proof, salt spray proof, corrosion resistant, strong weather resistance, and long service life.
7.The non encapsulated H-class dry-type transformer produced by Shanghai Zhiyou Company can effectively improve efficiency, reduce comprehensive power consumption, and improve operational reliability. All performance indicators meet or exceed the latest national standards, and it has the advanced level of similar products in China.
Performance characteristics:
1. Excellent electrical and mechanical performance.
The SG (B) series is an insulation system based on DuPont NOMEX paper. Not easy to age, resistant to compression, with strong elasticity, it can ensure that the transformer is used for several years, and the coil structure remains tight, withstanding short circuit pressure.
2. High security
The SG series transformers are non flammable resins that can be flame retardant during use, do not explode or release toxic gases, do not pose a threat to the environment, other equipment, and human health, and are not sensitive to humidity, dust, and pollution.
3. High reliability
Both high and low voltage coils are made of NOMEX insulation material, and have been repeatedly impregnated with H-grade solvent-free impregnation paint using VPI vacuum pressurization equipment, followed by multiple high-temperature baking and curing. The product is H-grade (180 ºC), and the main insulation material is C-grade (220 ºC), with strong overload capacity and good short-circuit resistance. Under good ventilation, it is allowed to operate with an overload of 20%.
4. Energy conservation and environmental protection
After the end of the product's lifespan, materials such as steel and iron are easily recyclable; All NOMEX paper used will not release toxic substances when burned, and other insulation materials can degrade and not pollute the environment; Low noise and flexible design.
5. Characteristics of Iron Core
The iron core is made of 0.3mm thick high conductivity magnetic silicon steel sheet, with a 45 degree full oblique three-level overlap, without punching or pulling screws. The surface is coated with insulation paint, which is moisture-proof, rust proof, low loss, and low noise.
6. Characteristics of high-voltage coils
The high-voltage coil adopts a continuous structure with high mechanical strength and good heat dissipation conditions, avoiding the disadvantages of high interlayer voltage, poor heat dissipation ability, easy thermal breakdown, and low mechanical strength of multi-layer cylindrical coils, thereby improving the reliability of product operation; Good moisture-proof performance, better able to withstand thermal shock, never cracking, partial discharge less than 5Pc, easy to decompose and recover after service life, protecting the environment.
7. Characteristics of low-voltage coils
The low-voltage coil adopts a foil type or longitudinal airway high current spiral structure; Before leaving the factory, strict testing and inspection shall be carried out according to national standards, and partial discharge test shall be listed as a factory test item; The temperature measurement device adopts an advanced dry-type transformer temperature controller, which reflects the temperature of the winding through the changes in the resistance value of the platinum thermistor buried in the three-phase low-voltage winding; Integrate specific temperatures with functions such as over temperature alarm, over temperature trip, and three-phase temperature patrol display.
Applicable scope
Places with high population density and strict safety requirements, such as shopping malls, residential areas, schools, hospitals, and entertainment venues.
2. Electric fields with high energy consumption, high load, easy overload, and uneven load.
3. Coal mines, nuclear power plants, cement plants and other places with harsh environments, radioactive hazards or high levels of dust.
(5),Hydrogen specific dry-type rectifier transformer
Product Description
1. Hydrogen energy is a rich, green, and low-carbon secondary energy source, gradually becoming one of the important carriers of global energy transformation. Under the requirements of carbon peaking and carbon neutrality, renewable energy sources such as photovoltaics, wind power, or hydropower are combined with hydrogen production rectification equipment and electrolysis water technology to produce high-purity gas and oxygen, which will be more widely used in the global economy.
2. The hydrogen specific dry-type rectifier transformer produced by Shanghai Zhiyou Company can effectively improve the efficiency of water electrolysis, reduce comprehensive power consumption, and improve operational reliability. All performance indicators meet or exceed the latest national standards, and it has the advanced level of similar domestic products.
Performance characteristics
1. Safe and reliable: The transformer is made of non-toxic and flame-retardant epoxy resin, with high mechanical strength, flame retardant, fireproof, and pollution-free.
2. Easy installation: The dry rectifier transformer can be put into operation as soon as the entire machine is in place, making it convenient and efficient.
3. High overload: The maximum overload capacity reaches 200%.
4. Low noise: The noise is 3-5 dB lower than the national standard.
5. Investment savings: Dry type rectifier transformers can be installed together with electrical equipment such as rectifiers, without the need for separate distribution rooms, saving space and reducing one-time investment
6. Tailored: It can be flexibly designed and respond quickly according to the specific requirements of customers.
7. Authoritative certification: Passed the authoritative certification of the National Electrical Product Quality Supervision and Inspection Center.
(6),Energy storage dedicated open dry-type rectifier transformer
Product Description:
1. The winding adopts an open and non encapsulated surface structure, which has good heat dissipation effect, strong overload capacity, and safe voltage transformation.
2. Adopting DuPont Nomex ® The VPI vacuum pressure impregnation insulation system has a compact structure and reasonable layout.
3. It can withstand high temperatures of 220 ºC and low temperatures of -40 ºC, with strong insulation performance, meeting various energy storage environment requirements.
4. It has flame retardant, non flammable and non explosive properties, making it more suitable for user side energy storage occasions such as hospitals, smart parks, optical storage charging stations, data centers, etc., and worry free energy storage.
5. Configure transformer intelligent terminals and use the IoT cloud platform to achieve intelligent operation and maintenance.
6.The energy storage specialized transformer produced by Shanghai Zhiyou Company can effectively improve efficiency, reduce comprehensive power consumption, and improve operational reliability. All performance indicators meet or exceed the latest national standards, and it has the advanced level of similar domestic products.
Applicable scope:
Suitable for user side energy storage scenarios such as hospitals, smart parks, optical storage charging stations, data centers, etc.
Execution standards:
1. GB 20052-2020 Energy Efficiency Limits and Energy Efficiency Grades for Power Transformers
2. GB/T 1094.1-2013 Power Transformers Part 1: General
3. GB/T 1094.3-2017 Power Transformers Part 3: Insulation Level, Insulation Test, and External Insulation Air Gap
4. GB/T 1094.5-2008 Power Transformers Part 5: Ability to withstand short circuits
5. GB/T 1094.10-2022 Power Transformers Part 10: Sound Level Determination
6. GB/T 1094.11-2022 Power Transformers Part 11: Dry type Power Transformers
7. GB/T 1094.12-2013 Power Transformers Part 12: Load Guidelines for Dry Power Transformers
8. GB/T 10228-2015 Technical parameters and requirements for kilowatt power transformers
(7),ZQSC (H) B series epoxy cast traction rectifier dry-type transformer
Product Description
1. Green power supply is safe and reliable
2. Low electromagnetic radiation pollution
3. The key technical parameters are well balanced, effectively reducing the amount of non characteristic harmonics
4. Strong overload capacity, reliable operation under VI level load conditions
5.The traction rectifier dry-type transformer produced by Shanghai Zhiyou Company can effectively improve efficiency, reduce comprehensive power consumption, and improve operational reliability. All performance indicators meet or exceed the latest national standards, and it has the advanced level of similar domestic products.
Technological innovation
1. The transformer is a 24 pulse rectifier with fewer harmonics;
2. Axial double splitting, eliminating the need for balancing reactors;
3. NOMEX paper insulation system;
4. A single unit with 12 pulses can also operate;
5. Swiss robot fully automatic lamination.
Performance characteristics
1. Transformer core 45 degree full oblique step joint
The iron core is made of imported high magnetic and high-quality grain oriented cold-rolled silicon steel sheets, with 45 degree fully oblique step seams and a special square tube pull plate structure. The core column is tied with insulation tape; The surface is coated with special resin to prevent moisture and rust, effectively reducing no-load loss, no-load current, and iron core noise.
2. Multilayer segmented cylindrical high-voltage coils
The high-voltage winding conductor is wound with F-grade insulated copper wire, reinforced with long and short cut glass fiber felt as filler, and poured with epoxy resin mixture under vacuum (1-3mbar). Effectively suppress the occurrence of partial discharge, with a partial discharge amount not exceeding 5PC.
3. Longitudinal air duct foil structure low-voltage coil
The low-voltage coil is wound using high-quality foil conductors on an automatic foil winding machine, with argon arc protection welding and high welding accuracy; Pre impregnated DMD serves as interlayer insulation, with pre impregnated fiberglass cloth used for insulation both inside and outside. The upper and lower ends are sealed with epoxy resin, and then cured as a whole in a curing furnace, with good moisture resistance.
4. Durable and aesthetically pleasing protective casing
IP20 can prevent solid particles with a diameter greater than 12mm from entering and resist accidental impacts; IP23 not only has the function of IP20, but also prevents water droplets from flowing in at an angle of 60 degrees to the vertical line, making it suitable for outdoor installation and use; Customizable.
5. Comprehensive temperature protection and control device
The overheat protection device mainly achieves transformer temperature detection and control through PT thermistors embedded in low-voltage coils. During the operation of the transformer, the temperature values of the three-phase windings are displayed in a circuit; Display the temperature value of the hottest phase winding; Temperature alarm tripping; Sound and light warning, fan start; Fan overload protection and computer interface.
Shanghai Zhiyou Company, the famous brand in China's transformer industry, will do our best to provide our customers with the most reasonable transformer prices, high-quality services, and detailed technical support.
Performance characteristics
1. High reliability: The temperature control adopts an intelligent temperature controller, which is easy to maintain and improves the safety and reliability of transformer operation. Small partial discharge: The winding is wound with copper wire or copper foil, filled and wrapped with fiberglass felt, and wound with epoxy resin in a vacuum state. After curing, it forms a sturdy cylindrical whole, with small partial discharge and high reliability. Simultaneously flame retardant, explosion-proof, and non polluting to the environment.
2. Strong resistance to sudden short circuits: The high-voltage winding of the product is made of epoxy resin vacuum casting, with small partial discharge and high electrical strength of the coil. The inner and outer walls of the winding are made of fiberglass mesh plates, which increases the mechanical strength of the coil and improves the product's ability to resist sudden short circuits.
3. Low cost: The iron core is made of imported high-quality cold-rolled silicon steel sheets, with a three-stage fully inclined seam structure. The surface is coated with epoxy resin, reducing no-load loss, no-load current, and iron core noise.
4. Strong short-circuit resistance: The high-voltage winding of the product is made of epoxy resin vacuum casting, with small partial discharge and high electrical strength of the coil. The inner and outer walls of the winding are made of fiberglass mesh plates, which increases the mechanical strength of the coil and improves the product's short-circuit resistance.
5. Good thermal stability: The coil and lead wire are made of copper wire, and axial air ducts are added inside the coil, leaving sufficient temperature rise margin. The heating part and the hottest spot of the product are strictly controlled for temperature rise, and the main temperature rise indicators of the product are at least 5 degrees lower than those of international standards.
6. Low temperature rise, long service life: The product has low temperature rise, strong heat dissipation ability, and can operate at 150% of rated load under forced air cooling conditions. An optional temperature control and protection system with comprehensive performance can provide reliable guarantee for the safe operation of transformers.
7. Maintenance free: Dry type transformers have no oil, and 1250kva dry-type transformers are reasonably priced, eliminating the need for regular oil changes and maintenance of the product.
8. Beautiful appearance: The core column of the product is tied with F-grade weft free straps, and the surface of the clamps and fasteners is specially treated to make the product more beautiful.
Usage environment
1. Installation location: indoor;
2. Altitude: less than 1000 meters (special design is required when it is greater than 1000 meters);
3. Environmental temperature: -25 ºC~+40 ºC;
4. The waveform of the power supply voltage is approximately a sine wave; The three-phase power supply voltage is roughly symmetrical;
5. Maximum relative humidity: 95% (25 ºC);
6. Seismic resistance: Ground horizontal acceleration of 0.3g, ground vertical acceleration of 0.15g, simultaneously acting for three sine waves, with a safety factor of ≥ 1.67;
7. Ability to work normally in indoor environments around the clock;
8. Workplace: No fire, explosion hazard, chemical corrosion level severe vibration environment.
For both air-cooled and forced air-cooled transformers, it is necessary to ensure that the transformer has good ventilation capacity. When transformers are installed in basements or other environments with poor ventilation capacity, heat dissipation and ventilation devices must be added. Protection levels include IP00, IP20, IP23, and other types.
When the altitude is greater than 1000 meters or the ambient temperature is greater than 40 ºC or less than -25 ºC, the product must adjust the relevant rated values in accordance with the requirements of GB1094.11 Power Transformers - Part 11: Dry type Transformers.
Product Standard
GB1094.1-2013 Power Transformers Part 1 General Principles;
GB1094.2-2013 Power Transformers - Part 2: Temperature Rise;
GB1094.3-2017 "Power Transformers - Part 3: Insulation Levels, Insulation Tests, and External Insulation Air Clearances";
GB1094.5-2016 Power Transformers - Part 5: Ability to withstand short circuits;
GB1094.10-2003 Power Transformers - Part 10: Sound Level Identification;
GB1094.11-2007 Power Transformers - Part 11: Dry type Transformers;
GB20052-2013 "Limiting Values and Energy Efficiency Grades for Energy Efficiency of Three Phase Distribution Transformers";
IEC60076-11-2016 Dry type Transformers
Shanghai Zhiyou Electric Manufacturing Co., Ltd. is currently seeking globally trusted partners as our agents in various regions. If you trust our products, please contact us through Made in China website or directly by email. We will reply to you as soon as we receive the information.
Shanghai Zhiyou Company is not only a leading enterprise in the dry type power transformer industry, but also a professional manufacturer of oil rectifier power transformers and power reactors.
Oil type rectifier transformer:
Reactor:
Technical parameters
Technical parameters of 10kV level ZSC (B) dry-type transformer
Rated capacity (kV•A) |
Voltage combination | Linking groups |
No load loss (W) | Load loss (W) (F)(120ºC) |
No load current (%) |
Short-circuit impedance (%) |
||||
High voltage side (kV) |
High voltage tapping range (%) |
Low voltage side (kV) |
||||||||
Type 10 | Type 11 | Type 12 | ||||||||
30 | 6 6.3 6.6 Or 10 10.5 11 |
±2×2.5 Or ±5 |
0.4 | Dyn11 Or Yyn0 |
190 | 170 | 150 | 710 | 2.0 | 4.0 |
50 | 270 | 240 | 215 | 1000 | 2.0 | |||||
80 | 370 | 330 | 295 | 1380 | 1.5 | |||||
100 | 400 | 360 | 320 | 1570 | 1.5 | |||||
125 | 470 | 420 | 375 | 1850 | 1.3 | |||||
160 | 540 | 480 | 430 | 2130 | 1.3 | |||||
200 | 620 | 550 | 495 | 2530 | 1.1 | |||||
250 | 720 | 640 | 575 | 2760 | 1.1 | |||||
315 | 880 | 790 | 705 | 3470 | 1.0 | |||||
400 | 980 | 880 | 785 | 3990 | 1.0 | |||||
500 | 1160 | 1040 | 930 | 4880 | 1.0 | |||||
630 | 1340 | 1200 | 1070 | 5880 | 0.85 | |||||
630 | 1300 | 1170 | 1040 | 5960 | 0.85 | 6.0 | ||||
800 | 1520 | 1360 | 1210 | 6960 | 0.85 | |||||
1000 | 1770 | 1590 | 1410 | 8130 | 0.85 | |||||
1250 | 2090 | 1880 | 1670 | 9690 | 0.85 | |||||
1600 | 2450 | 2200 | 1960 | 11700 | 0.85 | |||||
2000 | 3050 | 2740 | 2440 | 14400 | 0.68 | |||||
2500 | 3600 | 3240 | 2880 | 17100 | 0.68 |
Rated capacity (kV•A) |
Voltage combination | Linking groups |
No load loss (W) |
Load loss (W) (F)(120ºC) |
No load current (%) |
Short-circuit impedance (%) |
||
High voltage side (kV) |
High voltage tapping range (%) |
Low voltage side (kV) |
||||||
50 | 20 22 24 |
±2.5 ±5 |
0.4 | Dyn11 Yyn0 |
340 | 1230 | 2.0 | 6.0 |
100 | 540 | 1990 | 1.8 | |||||
160 | 670 | 2470 | 1.5 | |||||
200 | ±2×2.5 ±5 |
730 | 2940 | 1.5 | ||||
250 | 840 | 3420 | 1.3 | |||||
315 | 970 | 4080 | 1.3 | |||||
400 | 1150 | 4840 | 1.1 | |||||
500 | 1350 | 5790 | 1.1 | |||||
630 | 1530 | 6840 | 1.0 | |||||
800 | 1750 | 8260 | 1.0 | |||||
1000 | 2070 | 9780 | 0.85 | |||||
1250 | 2380 | 11500 | 0.85 | |||||
1600 | 2790 | 13800 | 0.85 | |||||
2000 | 3240 | 16300 | 0.7 | |||||
2500 | 3870 | 19300 | 0.7 |
Note: The data in the table is for reference only. The transformer products of Shanghai Zhiyou Company include but are not limited to the capacity and voltage level listed in the table. The company reserves the right to make changes to the data and accepts special orders.
Shanghai Zhiyou Electric Manufacturing Co., Ltd., established in 2007, is a professional manufacturer of power plant transformers in China and a leading large-scale manufacturer of transformers in China. Shanghai Zhiyou has obtained ISO9001 international quality management system certification, ISO14001 international environmental management system certification, and EU CE certification, and has independent patents and trademarks.Corporate honor, awarded as a "Famous Brand in China" by the authoritative organization China Enterprise Quality Certification and Supervision Center. The quality of the products produced by the company is reliable, and the product standards are in line with or higher than the Chinese national standards and international general standards. They are highly praised by the Chinese and international markets.
Shanghai Zhiyou Company, the famous brand in China's transformer industry, will do our best to provide our customers with the most reasonable transformer prices, high-quality services, and detailed technical support.
Our Best Service For You
1. Pre sale service
a. make technical solution
b. send quotation, technical data sheet and drawing
c. prepare power transformer plan, testing plan and shipment plan
2. In sale service
a. supervise the manufacturing schedule totally in accordance with the plan
b. send photos to customer during every manufacturing process(hold point)
c. inform the customer one week before testing.
3. After sale service
a. installation and commissioning, training the workers
b. quick response within 12 hours any time
c. provide 12 months guarantee period normally.
Q1: Are you a factory or trading company?
A1: We are a factory, and we can guarantee our price is first-hand very cheap and competitive. Our factory is in Shanghai, the international metropolis of China.
Q2: What is the payment term?
A2: T/T, L/C or negotiation.We accept T/T 30% deposit and 70% balance payment, the balance should be paid after acceptance before shipment.
Q3: Do you have any Certificate?
A3: Yes. Our transformers have CE certificates, type test reports tested by national authoritative institutions, and certificates of conformity.
Q4: Could I have the prices of your products?
A4: Welcome. Please feel free to send us an inquiry here. We will reply to you within 24 hours.
Q5: How about the delivery time?
A5: My friends, when you confirm the order, there will be about 25 to 45 days to produce which depends on your delivery plan and our order arrangements.
Q6: May I know the warranty time?
A6. We offer 12 months warranty time for the transformer quality. For any questions about our products, you can consult our sales manager any time and anywhere. We will provide the professional assistance to you.
Q7: Do you accept product customization?
A7: Yes of course. Please provide specific drawings or parameters we will quote you after evaluation.
Q8: Would you accept using customer's logo?
A8: Yes, we can provide OEM and ODM service.
Q9: What is the standard of package?
A9: Export standard package or special package according to customer's requirement.
Q10: How can we trust you?
A10: As an enterprise specializing in transformer production for 17 years, Shanghai Zhiyou Electric has high quality, fast delivery, guarantee after-sales service and factory price.We have more than 17 years manufacturing and R&D experience, and cooperated with many customers all over the world. We have many patent certificates, test report, ISO9001, ISO14000 certificate. We are the audited supplier of Made-In-China.
Q11: How do you conduct quality control in your factory?
A11: Shanghai Zhiyou Electric transformers are manufactured in accordance with international standards (such as IEC, SGS, Intertek, CE and other international certifications) and customer requirements . All transformers are 100% conducted routine test, type test and special test before delivery to ensure every product is qualified.
Q12: I have great trust in Shanghai Zhiyou's transformer products and would like to become your company's general agent in our country. How can I proceed?
A12: Thank you for your recognition of Shanghai Zhiyou Company's products. Shanghai Zhiyou Electric Manufacturing Co., Ltd. is currently seeking globally trusted partners as our agents in various regions. Please contact us through Made in China website or directly by email. We will reply to you as soon as we receive the information.