Wuhan Guodian Mingke Electric Co., Ltd.
Wuhan Guodian Mingke Electric Co., Ltd.
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Main Products: Series resonance test device, Transformer tester, Circuit breaker, switch tester, High Voltage Insulation Equipm, Relay Protection Products, Cable and cable fault tester, Arrester and Insulator Test In, SF6 Test Instrument, Oil Testing Instrument, DC System and Battery Test Ins, Ground/Insulation Resistance T, Power Energy Analyzer, Power Energy Analyzer
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Mrs. wangchengfeng
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60KV 2ma DC Cable Test System

Mrs. wangchengfeng April 28, 2021

Product description：

60KV 2ma DC Cable Test System is designed and manufactured based on the latest China electric power industrial standard DL/T848.1-2004 “General Technical Specifications of DC High Voltage Generator”. It is mainly applicable for DC withstand voltage tests on high-voltage electrical equipment such as zinc oxide arrester, power cables, transformers, and generators used in electric power departments, mine industry, and metallurgy and iron & steel enterprises.


Technical index：

4.2.1 Integrated type

Type 

Parameter

60/2

Rated voltage (KV)

60

Rated current (mA)

2

Rated power (W)

120

Voltage measure accuracy

Data display meter ± (1.0% reading ±2digit)

Current measure accuracy

Data display meter ± (1.0% reading ±2digit)

Ripple factor

≤1%

Voltage stability

Random fluctuation, when power voltage change ±10%, ≤1%

Overload capacity

The no load voltage can exceed 10% of rated voltage for 10 min.

The maximum charge current is 1.5 times rated current.

Power supply

Single-phase AC 50Hz 220V±10%

Operation method

Intermittent use

The longest running time is 30 minutes each time

Working environment

Temperature: -10～40℃

when indoor temperature is 25℃, the relative humidity should be less than 85%, (non-condensing)

Altitude: less than 1500m

With capacitive load capacity

The electric capacity of test object without limited

Can use 1.5 times rated current to charge

Structural features

Epoxy glass steel electrical insulation voltage multiply cylinder

Air insulation, without leakage.

Operational box features

High precision 0.75UDC1mA, single touch button (Accuracy ≤1.0%), suitable for MOA test

Over voltage adopt drawing code setting, clearance

Integrated type, all accessories in one box, portable to carry and test


Feature：

Adopt high frequency Multi-voltage circuit, PWM pulse width modulation technology and high-power IGBT component.

Adopt large voltage feedback, highly-stable output voltage, and the ripple factor is less than 1%.

Full range with smooth regulating, voltage regulate fitness precision ≤0.5%, stability ≤1%，voltage and current errors is 1%（readout value: ±0.2KV）, current error is ±1.

Boost potentiometer starting from zero for boosting;

75% UDC1mA functional button, which is convenient for zinc oxide arrester test at accuracy up to 1% and readout value to ±1%;

The over-voltage protection can be set by dialing code, is clear, the error up to ±1%;

Multi-voltage cylinder adopts new materials, light, handy and stable. Its surface is coated with the insulating material, good electrical performance and moisture prevention.

Folding supporting lug with a large area in diameter and sound stability.

Integrated design and HV earth cable leading-out, which is easy for field testing.


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