Product Introduction
The YDQ series digital display AC/DC high-voltage test transformer is a high-voltage insulation and withstand voltage testing device developed for power systems, industrial enterprises, research institutions, and third-party testing organizations. The equipment uses digital measurement and control technology, enabling AC withstand voltage, DC withstand voltage, and insulation testing according to test requirements. It is suitable for insulation performance testing of high-voltage electrical equipment such as transformers, cables, circuit breakers, GIS, and busbars.
Among them, the YDQ-10kVA series features high output capacity and stable high-voltage output performance. Different rated voltage levels can be configured according to different test objects. The product voltage level covers 10kV to 300kV, with capacity extendable from 1 to 500kVA, meeting the on-site and laboratory testing requirements of electrical equipment at various voltage levels and capacities.
기술적인 매개변수
전압 등급 | 10Kv-300kV |
용량 범위 | 1-500KVA |
임피던스 전압 | ≤8% |
무부하 전류 | <7% |
상품 유형 | AC, AC&DC, AC 캐스케이드, AC DC 캐스케이드. |
주요사양
모델 | 용량 (kVA) | HV (kV) | HV 전류 (엄마) | 입력 전압 | 비율 | 온도 상승 ℃(30분) | |
전압(V) | 전류(A) | ||||||
YDQ-1.5/50 | 1.5 | 50 | 30 | 200 | 7.5 | 500 | 10 |
YDQ-3/50 | 3 | 50 | 60 | 200 | 15 | 500 | 10 |
YDQ-5/50 | 5 | 50 | 100 | 200 | 25 | 500 | 10 |
YDQ-10/50 | 10 | 50 | 200 | 200 | 50 | 500 | 10 |
YDQ-20/50 | 20 | 50 | 400 | 400 | 53 | 500 | 10 |
YDQ-30/50 | 30 | 50 | 600 | 400 | 79 | 500 | 10 |
YDQ-50/50 | 50 | 50 | 1000 | 400 | 12 | 500 | 10 |
YDQ-5/100 | 5 | 100 | 50 | 200 | 25 | 1000 | 10 |
YDQ-10/100 | 10 | 100 | 100 | 200 | 50 | 1000 | 10 |
YDQ-20/100 | 20 | 100 | 200 | 400 | 53 | 1000 | 10 |
YDQ-30/100 | 30 | 100 | 300 | 400 | 79 | 1000 | 10 |
YDQ-50/100 | 50 | 100 | 500 | 400 | 132 | 1000 | 10 |
YDQ-20/150 | 20 | 150 | 133 | 400 | 53 | 1500 | 10 |
YDQ-30/150 | 30 | 150 | 200 | 400 | 80 | 1500 | 10 |
YDQ-50/150 | 50 | 150 | 333 | 400 | 132 | 1500 | 10 |
YDQ-100/150 | 100 | 150 | 667 | 400 | 263 | 1500 | 10 |
YDQ-50/200 | 50 | 200 | 250 | 400 | 132 | 2000 | 10 |
YDQ-100/200 | 100 | 200 | 500 | 400 | 263 | 2000 | 10 |
YDQ-150/200 | 150 | 200 | 750 | 400 | 395 | 2000 | 10 |
YDQ-200/200 | 200 | 200 | 1000 | 400 | 526 | 2000 | 10 |
YDQ-300/200 | 300 | 200 | 1500 | 400 | 790 | 2000 | 10 |
YDQ-50/300 | 50 | 300 | 170 | 400 | 132 | 3000 | 10 |
YDQ-100/300 | 100 | 300 | 333 | 400 | 263 | 3000 | 10 |
YDQ-150/300 | 150 | 300 | 500 | 400 | 395 | 3000 | 10 |
YDQ-200/300 | 200 | 300 | 667 | 400 | 526 | 3000 | 10 |
YDQ-300/300 | 300 | 300 | 1000 | 400 | 790 | 3000 | 10 |
Product performance characteristics
1. Stability and anti-interference: Thanks to the uniform electric field distribution characteristics of the gas medium and the sealed steel shell structure, this equipment exhibits good electrical performance. Its local volume can usually be well controlled, which is conducive to obtaining more authentic and accurate test data. The sturdy shell also provides considerable mechanical strength, capable of handling conventional transportation and on-site operations.
2. Convenient maintenance and observation: The digital display ac dc high voltage test set is usually designed with pressure observation windows or pressure gauges, making it easy for operators to intuitively monitor the internal gas pressure conditions. This provides a visual basis for daily inspection and maintenance of equipment status.
3. Wide adaptability: The digital display ac dc high voltage tester manufactures has a wide range of voltage levels, which can meet the voltage withstand test requirements of various common electrical equipment from low voltage to high voltage levels. Its compact design makes it suitable not only for fixed high-voltage laboratories, but also for on-site testing tasks that require movement and transition.
4. Integrity of supporting equipment: The ac dc high voltage tester price provides supporting equipment including voltage regulating consoles, voltage dividers, and protective resistors, forming a complete power frequency withstand voltage testing system. This system has been designed for compatibility, aiming to help users achieve the entire testing process from voltage regulation, sampling to protection, and improve the coordination of the testing process.
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Quick Comparison with Oil-immersed and Dry-type Transformers
Comparison Item | Gas-insulated (SF6) | Oil-immersed | Dry-type (Epoxy resin) |
Insulation medium | SF6 gas | Transformer oil | Epoxy resin |
Volume and weight | Lightest and most compact | Bulky and heavy | Moderate |
Environmental impact | Oil-free, no leakage | Prone to oil leakage and pollution | Non-toxic, but difficult to recycle |
Temperature rise characteristics | Good (gas convection) | Good (oil convection) | Fair (natural cooling) |
과부하 능력 | Strong | Strongest | Fair |
Main advantages
High insulation strength and stable output voltage
No oil pollution, more environmentally friendly and cleaner
Small size, light weight, easy to transport and use on site
Excellent moisture resistance, suitable for high humidity environments
Easy maintenance, no need to replace insulation oil
Low partial discharge capacity, more accurate testing
Long service life and high reliability
Application Scenarios
Power systems
Used for handover testing and preventive testing of transformers, circuit breakers, switchgear, cables, GIS, and other equipment in power plants, substations, and transmission and distribution systems.
Transformer testing
Suitable for factory inspection, post-installation withstand voltage testing, and periodic insulation testing of power transformers, distribution transformers, and other equipment.
Cable testing
Used for withstand voltage and insulation performance testing of high-voltage power cables and cable accessories, suitable for cable production, installation, and acceptance stages.
High-voltage switchgear testing
Suitable for insulation withstand voltage testing of high-voltage circuit breakers, disconnecting switches, switchgear, and other high-voltage switching devices.
GIS equipment testing
Used for handover acceptance and preventive withstand voltage testing of GIS gas-insulated switchgear and other high-voltage combined electrical apparatus.
Railway and rail transit
Suitable for insulation performance testing of high-voltage electrical equipment in railway traction power supply systems, subways, and urban rail transit.
Industry and mining
Suitable for installation acceptance, maintenance, and preventive testing of high-voltage power distribution equipment in large industrial and mining enterprises.
FAQs:
Q:What is the YDQ 10kVA Digital Display AC/DC High Voltage Tester used for?
A:The YDQ 10kVA Digital Display AC/DC High Voltage Tester is designed for AC and DC withstand voltage and insulation testing of high-voltage electrical equipment. It can be used for testing transformers, power cables, circuit breakers, GIS, switchgear, busbars, and other electrical equipment.
Q:Can it be used for cable testing?
A:Yes. The YDQ high voltage tester can be used for withstand voltage and insulation performance testing of high-voltage power cables and cable accessories during production, installation, commissioning, and acceptance.
Q:Can the YDQ tester be used for preventive maintenance testing?
A:Yes. High-voltage withstand and insulation tests are commonly used as part of electrical equipment maintenance and preventive testing programs, subject to the requirements of the relevant standards and equipment manufacturer.
Q:What happens if the test object breaks down during testing?
A:The testing system should be operated with appropriate protective measures to limit abnormal current and protect the equipment. After a breakdown, the high-voltage output must be disconnected and the test object safely discharged and grounded before inspection.
Why choose our inflatable test transformer?
We have rich experience as a professional high-voltage testing equipment supplier and manufacturer, specializing in the research, development, and export of high-voltage testing equipment. Our products adopt advanced insulation design and strict manufacturing processes, offering excellent insulation performance, stable output, safety and reliability, and low maintenance. The digital display AC DC high voltage tester factory has been widely used in power systems, equipment manufacturing enterprises, research institutes, and third-party testing institutions, and our products have been exported to many countries and regions around the world.
As an experienced manufacturer and supplier, we provide not only standard models but also customized solutions to meet different testing requirements. We offer competitive price, complete high-voltage testing solutions, fast delivery, professional pre-sales technical consultation, and comprehensive after-sales service, providing customers with high-quality and highly reliable testing equipment.
