GDTF-4500/750 GIS Variable Frequency AC Resonant Test System

• Type: Universal Testing Machine
• Accuracy Grade: 1.5
• Load Way: Electronic Load
• Loading Method: Dynamic Load
• Display: Digital
• Control: Computer Control
• Model NO.: GDTF-4500/750
• Weight: 0-100Kg
• Power Source: AC380V
• Rated capacity: 4500kVA customized
• Rated voltage: 500, 750kV
• Rated current: 9A, 6A
• Working Frequency: 30-300Hz
• Output waveform: sine wave
• Transport Package: Standard Export Wooden Box
• Specification: ISO, SGS
• Trademark: HV Hipot
• Origin: Wuhan, China
• HS Code: 9030899090
• Production Capacity: 5000set/Year

Product Description

GDTF-4500/750 Variable Frequency AC Resonant Test System

Test Object and Requirement

The system is specially designed for AC withstand voltage test for below items, with below specifications and requirements.

Test Object	Specifications	Test Frequency	Test Voltage	Test Time
GIS, CT/PT, switch	400kV	30-300Hz	≤750kV	1min
GIS, CT/PT, switch	245kV	30-300Hz	≤500kV	1min

Working Environment

• Environmental temperature: -10ºC to 50ºC
• Related humidity: ≤ 90% RH
• Altitude: ≤ 3km

 
Technical Data

• Rated capacity: 4500kVA
• Input power supply: Three phase 380V, 50Hz
• Rated voltage: 500, 750kV
• Rated current: 9A, 6A
• Working Frequency: 30-300Hz
• Output waveform: sine wave
• Waveform distortion rate: ≤1%
• Working time: constant working of 5mins under rated load. Working of 1min, under 1.1 times of rated voltage
• Temperature rise: ≤65K after constant working of 5mins under rated load
• Quality factor: Q ≥30 (f=45Hz)
• Protective function: Over-current, over-voltage and flash-over protections for test object.
• Accuracy: 1.5% (RMS)