Product Introduction:
Oil immersed non partial discharge test transformer refers to a test transformer with no or very small partial discharge capacity, suitable for conducting partial discharge tests and power frequency withstand voltage tests on various electrical equipment, electrical components, and insulation materials.
Product functions:
High-voltage output: Provides a stable and reliable high-voltage test power source.
Low partial discharge: The equipment itself has a low partial discharge level, reducing background interference during testing.
Power-frequency withstand voltage testing: Meets the power-frequency withstand voltage testing requirements of various high-voltage electrical equipment.
Partial discharge testing: Provides high-voltage excitation for insulation performance and partial discharge detection of electrical equipment.
Insulation performance testing: Used to evaluate the insulation performance of transformers, cables, GIS, and other equipment.
Technical parameters:
Parâmetro | Preço |
Capacidade nominal | 50-1200kVA |
Tensão de entrada | 380 V |
Voltagem de saída | 50-1200kV |
Run time | ≤ 5 minutes |
Precisão de medição | ≤1.5% |
Partial discharge capacity | ≤5Pc |
Protection function | Overcurrent and voltage protection alarm automatically return to zero |
Product Features:
1. Adopting an oil type epoxy cylinder structure, it has small partial discharge, low loss, light weight, and low waveform distortion.
2. Low impedance voltage, superior to national standards.
3. Multi layer shielding, strong anti-interference ability.
4. High insulation level, local discharge capacity ≤ 5pc.
5. Equipped with automatic protection device, over-current and over-voltage protection, and high reliability performance.
Application Scenarios
Power transformer testing: Used for partial discharge and power-frequency withstand voltage testing of transformers.
GIS and high-voltage switchgear testing: Used for insulation performance testing of GIS, switchgear, circuit breakers, and other equipment.
High-voltage cable testing: Used for withstand voltage and partial discharge testing of high-voltage cables, joints, and terminations.
CT/PT/CVT testing: Used for insulation performance and withstand voltage testing of instrument transformers.
High-voltage bushing and insulator testing: Used for withstand voltage and partial discharge detection of high-voltage insulation components.
Insulating material testing: Used for high-voltage performance testing of various electrical insulating materials.
Research and laboratory testing: Used for high-voltage insulation research in universities, research institutions, and enterprise laboratories.
Electrical equipment factory testing: Used for factory, type, and quality testing of various high-voltage electrical equipment.
FAQs
Q1: What is this oil-immersed partial discharge-free test transformer mainly used for?
A1: This equipment is mainly used for power-frequency withstand voltage testing and partial discharge testing of various high-voltage electrical equipment. It provides a stable high-voltage test power source for transformers, GIS, switchgear, cables, instrument transformers, bushings, insulators, and other insulating materials.
Q2: What electrical products can this equipment test?
A2: The equipment is suitable for insulation performance testing of various high-voltage electrical products, including power transformers, instrument transformers, high-voltage cables and accessories, GIS, switchgear, circuit breakers, high-voltage bushings, and insulators. It can also be used for related high-voltage testing of insulating materials.
Q3: Why choose a partial discharge-free test transformer?
A3: During partial discharge testing, partial discharge generated by the test equipment itself may become background interference. The low partial discharge design reduces the equipment's own interference, helping to improve the ability to detect weak partial discharge signals from the product under test.
