ZGF Series Intelligent DC Hipot Test Set is widely used in DC high voltage test of electrical equipment such as zinc oxide surge arresters, magnetic blow arresters, power cables, generators, transformers, and circuit breakers.
ZGF Series Intelligent DC Hipot Test Set is widely used in DC high voltage test of electrical equipment such as zinc oxide surge arresters magnetic blow arresters power cables generators transformers and circuit breakers.
Product characteristics and function
● It adopts large-screen dot matrix LCD with man-machine interaction function;
● Fully automatic measurement function for zinc oxide surge arresters with good repeatability and high precision;
● Automatic test function: the test voltage can be preset and the output voltage can be maintained at a constant voltage;
● Automatic timing function: It can preset the boost time of the standard test voltage and automatically timing after the voltage rises to the standard test voltage after finishing timing it automatically drops voltage.
● The high voltage over-voltage setting is adopted with a microprocessor which has high precision and good reliability;
● Retain the manual test mode;
● Data storage function: Instantly capture test parameters and automatically save test results
● According to the theory of electromagnetic compatibility it is combined special shielding multi-stage isolation and grounding protection measures to prevent damage during discharge;
● With print function can print the test result in-time.
1 Technical Data for the voltage lower than 400kV
Type
Parameter
60/2
60/3
60/10
100/4
120/5
200/2
200/5
250/3
250/5
300/3
300/5
Output voltage (KV)
60
60
60
100
120
200
200
250
250
300
300
Output current (mA)
2
3
10
4
5
2
5
3
5
3
5
Output power (W)
120
180
600
400
600
400
1000
750
1250
900
1500
Charging current (mA)
3
4.5
15
6
7.5
3
7.5
4.5
7.5
4.5
7.5
Voltage measure accuracy
± 1.0% (full scale) ±2digit
Current measure accuracy
± 1.0% (full scale) ±2digit
Overvoltage setting error
≤ 1%
0.75 switching error
≤ 1%
Ripple factor
≤ 1.0%
Voltage stability
Randomfluctuation, it is no more than 1% when power voltage change ±10%
Way of working
Intermittent use 30 minutes for rated load 10 minutes for 1.1 times rated voltage
Temperature
-15 ~ 50℃
Relative humidity
when the temperature is 25℃ the relative humidity should be less than 90% (non-condensing)
Altitude
less than 2000m
2 Technical Data for the voltage higher than 400kV
Type
Parameter
400/10
400/12
400/15
400/20
500/10
600/3
600/5
Rated output voltage (KV)
200/400
200/400
200/400
200/400
250/500
200/400/600
200/400/600
300/400
300/400
300/400
300/400
300/500
300/600
300/600
Rated current (mA)
10
12
15
20
10
3
5
Rated power (W)
4000
4800
6000
8000
5000
1800
3000
Max charging current (mA)
15
18
23
30
15
4.5
7.5
Voltage measure accuracy
± 1.0% (full scale) ±2digit
Current measure accuracy
± 1.0% (full scale) ±2digit
Overvoltage setting error
≤ 1%
0.75 switching error
≤ 1%
Ripple factor
Ripple factor ≤ 2.0% when Io≤10mA; Ripple factor ≤ 3.0% when Io≤20mA
Voltage stability
Randomfluctuation, it is no more than 1% when power voltage change ±10%
Way of working
Intermittent use 30 minutes for rated load 10 minutes for 1.1 times rated voltage
Temperature
-10 ~ 40℃
Relative humidity
when the temperature is 25℃ the relative humidity should be less than 85% (non-condensing)