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No Partial Discharge Voltage Withstand

UHV(J) No Partial Discharge Voltage Withstand Test Device

It is suitable for conducting power frequency voltage withstand tests without partial discharge on various high-voltage electrical equipment, electrical components, and insulating materials

Reference standard: DL/T 848.3-2004

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Product Introduction

The fully automatic partial discharge withstand voltage test device is suitable for power supply and distribution systems, power transformer manufacturers, industrial and mining enterprises, scientific research departments, etc. It is used for insulation strength tests under power frequency or DC high voltage on various high-voltage electrical equipment, electrical components, and insulating materials. It is an essential and important equipment in high-voltage testing. It is widely used for measuring partial discharge in various high-voltage electrical products such as transformers, high-voltage switches, zinc oxide arresters, and power cables, as well as for product type testing and insulation operation supervision. This instrument has high detection sensitivity, a wide coverage range for sample capacitance, a broad range of applicable test samples, complete input units (detection impedance), and multiple frequency band combinations (nine types). After proper calibration, the instrument can directly read the discharge amount of the discharge pulse. Both analog and digital meters are displayed simultaneously, and the analog meter can conveniently select logarithmic or linear scale indication as needed.

Product Names: No partial discharge, No partial discharge source, No partial discharge testing device, No partial discharge voltage withstand testing device

Product Parameters

Inflatable type non-partial discharge test transformer

Rated capacity 25kVA
Input voltage 380V±10%
Output voltage 0-100kV
System partial discharge under rated voltage ≤5PC
Output current 250mA
Voltage accuracy AC 1.5%
Power supply distortion level <3%
Insulating medium SF6 gas
Outline dimensions Outer diameter: 520mm, height: 1200mm
Weight 160kg

No partial discharge voltage regulator control box

Rated capacity 25kVA
Input voltage 380V±10%
Output voltage 0-430V
Output current 62.5A
Overall dimensions 600mm×580mm×1200mm
Weight 150kg

Isolation filter transformer

Rated capacity 25kVA
Input voltage 380V±10%
Output voltage 380V±10%
No-load loss ≤5%
Impedance voltage ≤5%
Attenuation effect 10kHz-100kHz≥20db
100kHz-30MKz≥60db
Overall dimensions 500mmx300mmx550mm
Weight 120kg

No partial discharge capacitive voltage divider

Height 900mm
Capacitance 500-1000PF
Local volume ≤5PC

No partial discharge protection resistor

Overall dimensions Diameter 60mm x Length 600mm
Weight 3kg
Note:

1. The appearance of the product shall be subject to the actual product, Technical parameters and model are subject to change without notice. In case of misappropriation or copying, legal liability will be investigated.

2. For more information about Wuhan UHV, please enter product center . Service email:info@hvtest.cc

Product Characteristics

Product Picture

Product pictures

Product Certificate

Enterprise products in strict accordance with international and national standards and rules of industry production, through the national, provincial and municipal electric power research institute and electric power authorities detection, measuring center, fully passed the ISO9001 international quality management system certification, the licence for manufacturing measuring instruments of the People's Republic of China, GB/T19001-2016 quality management system requirements, GB/T24001-2016 environmental management system requirements, GB/T45001-2020 occupational health and safety management system requirements.

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