Partial discharge tester YDJW

Overview
Impedance voltage exceeds national standard and system impedance does not exceed 5%. Compact dimensions and low weight. Automatic control improves automation level and anti-interference capability.

Product parameters
Oil-immersed no-partial-discharge test transformer is a test transformer with negligible partial discharge capacity, suitable for partial discharge testing and power-frequency withstand voltage testing of electrical equipment, components and insulating materials.

Technical parameters
Parameter | Value
Rated capacity | 50-1200 kVA
Input voltage | 380 V
Output voltage | 50-1200 kV
Run time | ≤ 5 minutes
Measurement accuracy | ≤ 1.5%
Partial discharge capacity | ≤ 5 pC
Protection function | Automatic overcurrent and overvoltage protection with alarm and automatic return to zero

Feature

• Oil-type epoxy cylinder structure provides very low partial discharge, low loss, reduced waveform distortion and light weight.
• Low impedance voltage, better than national standards.
• Multilayer shielding for strong anti-interference performance.
• High insulation level with local discharge capacity ≤ 5 pC.
• Equipped with automatic protection devices: overcurrent and overvoltage protection, alarm and automatic return to zero.

Characteristics / Technical specifications

• Product name: Oil-immersed no-partial-discharge test transformer YDJW Series 50-1200 kVA — 50-1200 kV, 380 V input
• Series: YDJW
• Rated capacity: 50-1200 kVA
• Input voltage: 380 V
• Output voltage: 50-1200 kV
• Run time: ≤ 5 minutes
• Measurement accuracy: ≤ 1.5%
• Partial discharge capacity: ≤ 5 pC
• Protection: Automatic overcurrent and overvoltage protection with alarm and automatic return to zero
• Structure: Oil-type epoxy cylinder with multilayer shielding