KDYDJ-420kVA 30kV AC Withstand Voltage Test System

KDYDJ-420kVA 30kV AC Withstand Voltage Test System

Applications:

Designed for AC withstand voltage tests on long submersible cables (≈3000m, 42.5mm² core) and similar equipment. Suitable for power laboratories, cable maintenance sites, with 0–30kV test voltage and 10–60min non-breakdown qualification standard.

Response within
24 hours
Free warranty
12 month
On-line training
Support

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Profile:

KDYDJ-420kVA30kV is a resonant test bench integrating variable frequency power, excitation transformer, reactor, and voltage divider. It features auto-resonance tracking, multi-protection functions, and adapts to long submersible cable testing.

Features:

Equipped with status indicators, alarm lights, and emergency stop buttons
Auto voltage stabilization (±1.5%) and precise frequency adjustment (0.01Hz resolution)
System self-inspection, overvoltage/overcurrent/breakdown protection
Stores ≥50 test records with data output/printing function
Large touch LCD displays parameters with ≤0.5% voltage waveform distortion
Auto/manual tuning + automatic test modes for flexible operation
Adopts domestic/international electrical components with rational layout

Parameter:

Model: KDYDJ-420kVA30kV

Test voltage range: 0–30kV

Applicable cable: ≈3000m long submersible cable (42.5mm² core)

Qualification standard: 10–60min non-breakdown under rated voltage

Input voltage: 380V three-phase five-wire / 220V single-phase three-wire (±10%, 50Hz)

Frequency range: 25–320Hz (resolution: 0.01Hz)

Variable frequency power supply: 30kVA, output 0–340V adjustable

Excitation transformer: 30kVA, oil-immersed, input 400V, output 1.5kV/3kV

High-voltage reactor: 30kV/3.5A, dry epoxy casting, inductance 50H

Capacitor divider: 30kV, 10000pF, measurement accuracy ≤1.0%

Voltage measurement accuracy: Class 0.5 (verification: Class 0.2)

Voltage stability: ±1.5% (output instability ≤0.5%)

Continuous operation time: ≥60min at rated current/capacity

Noise: ≤45dB; Temperature rise: ≤60K at rated capacity

Protection functions: Overvoltage, overcurrent, breakdown, full-voltage output protection

Air source requirement: ≥0.7MPa; Control cabinet: Easy operation and maintenance

Kaidi Zhengda Electric

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KDYDJ-420kVA 30kV AC Withstand Voltage Test System

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Kaidi Zhengda Electric

Products

KDYDJ-420kVA 30kV AC Withstand Voltage Test System

Profile:

Features:

Parameter:

Contact Us

Kaidi Zhengda

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Contact Us

About Us

Compnay Info

Quick Contact

+86-027-83551828