Intelligent DC Hipot Test Set

 

It is mainly suitable for DC withstand voltage test or DC leakage current test for zinc oxide arresters, power cables, transformers, circuit breakers, generators and other high-voltage electrical equipment in power departments, industrial and mining, metallurgy, steel and other enterprise power departments

 

 

1. Conductivity current test for valve arrester

2. DC withstand voltage test and leakage current measurement for power transformer

3. DC withstand voltage test and leakage current measurement for high voltage cable (35~500kV and below)

4. U1mA DC reference voltage test and 0.75U1mA leakage current test for zinc oxide arrester

 

 

Zinc Oxide Surge Arrester DC Reference Voltage and Leakage Current Test

Rated voltage of arrester (kV)	10	35	66	110	220
DC reference voltage ( kV)	28	90	135	168	314
Model ( kV / mA)	ZGS - 60 / 2	ZGS - 120 / 2	ZGS - 200 / 2	ZGS - 200 / 2	ZGS - 400 / 3

 

Select according to substation voltage level

Substation voltage level kV	10	35	66	110	220	330
Max test voltage kV	47	105	135	192	305	More than 400
Model kV / mA	ZGS - 60 / 2	ZGS - 120 / 2	ZGS - 200 / 2	ZGS - 200 / 2	ZGS - 400 / 3	ZGS - 800 / 10

 

DC withstand voltage and leakage current test for paper insulated cables

Cable rated voltage Uo / U kV	3.6 / 6	6 / 6	6 / 10	8.7 / 10	21 / 35	26 / 35
DC test voltage kV	17	30	40	47	105	130
Model kV / mA	ZGS - 60 / 2	ZGS - 60 / 2	ZGS - 60 / 2	ZGS - 60 / 2	ZGS - 120 / 3	ZGS - 200 / 5

 

DC voltage withstand and leakage current test for rubber and plastic insulated cables

Cable rated voltage Uo / U kV	6 / 10	8.7 / 10	21 / 35	26 / 35	48 / 66	64 / 110	127 / 220
DC test voltage kV	26	37	63	78	144	192	305
Model kV / mA	ZGS - 60 / 2	ZGS - 60 / 2	ZGS - 120 / 5	ZGS - 120 / 5	ZGS - 200 / 5	ZGS - 200 / 10	ZGS - 400 / 5

 

DC withstand voltage and leakage current test of main insulation of self-contained oil-filled cable

Cable rated voltag Uo / U kV	48 / 66	64 / 110	127 / 220	190 / 330	290 / 500
DC test voltage kV	175	275	475	585	775
Model kV / mA	ZGS - 200 / 3	ZGS - 300 / 3	ZGS - 500 / 5	ZGS - 600 / 5	ZGS - 800 / 10

 

 

Model	300/2	300/3
Rated voltage(kV)	300	300
Rated current(mA)	2	3
Rated power(W)	600	900
HV control unit(kg)	6.5	6.5
HV Cylinder weight(kg)	11	11
Cylinder height(mm)	1250	1250
Voltage Accuracy	±(1.0%read＋2b)
Accuracy Of Current	±(1.0%read＋2b)
Ripple Factor	≤0.5%
Voltage Stability	When voltage change±10% stability≤1%
Overload Capacity	The no-load voltage can exceed the rated voltage by 10% for 10 minutes
	Max charging current is 1.25 times rated current
Power Supply	Single phase current 50Hz 220V±10%
Working Way	Intermittent use: rated load for 30 minutes
	1.1 times rated voltage: 10 minutes
Work Condition	temperature：-10℃～+40℃
	relative humidity：less than 85% under 25℃, without moisture
	altitude：1500M below
Capacitive Load Capacity	The capacity of the test object is unlimited
	It can be charged at 1.5 times rated current
Structure	Electrical insulation voltage cylinder
	Air insulation, no leakage
High Voltage Control Unit Feature	High accuracy 0.75UDC1mA One touch button(accuracy≤1.0%),Suitable for zinc oxide arrester test
	Overvoltage protection using digital dialing switch, clear at a glance
	Portable case, more convenient on site
Protection Function	Internal over voltage protection, internal over current protection
	External overvoltage protection (protection voltage can be set), external overcurrent protection or breakdown protection
	Internal power protection
	Non-zero start protection
	Timed sound alarm

 

1. High precision and accurate measurement. Voltmeter on control cabinet display the voltage applied to load tested equipment. No need to add voltage divider, easy to wire. Equipped with high and low voltage end to measure leakage current. High voltage end adopts round shield digital indication displaying, not worrying discharge shock. It has excellent anti-jam function, which suitable for field operation.

2. With stable voltage regulation, the regulation is smooth at whole range. The output voltage regulation adopts imported single multiturn potentiometer. Stable boost process and high accurate adjustment.

3. With negative polarity output, zero start, continuous adjustment, over-voltage, over-current, zero position, grounding protection, special break-line protection functions. It can protect circuit automatic, perfect and reliable protection make safe operation.

4. Adopt advanced technology, medium frequency circuit and latest PWM pulse width modulation

technology and high power IGBT, which make more stable high voltage output and smaller ripple factor.

5. With 0.75 times voltage conversion, convenient to test Zinc Oxide arrester.

6. Over-voltage setting use digital dial switch, displaying data directly and visually (unit KV).

7. The sampling adopts special nanosecond sensor and nanosecond optical isolation element, which can quickly and completely shut off the DC main circuit to protect the instrument from damage.

8. The cylinder adopts new material, light and stable. With 3 support feet at bottom, increase the stability. The outer surface of the cylinder is coated with special insulation materials, good electrical performance, strong moisture capacity, no leakage.

9. Case is made of aluminum alloy with small volume, light weight, good appearance, more stable, easy to operate, full function, convenient to use on site.

 

 

 

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