GDCL-10kV 20kA Impulse Voltage Impulse Current Test System

• After-sales Service: Yes
• Warranty: 1 year
• Type: Universal Testing Machine
• Accuracy Grade: 0.5
• Load Way: Electronic Load
• Loading Method: Dynamic Load
• Model NO.: GDCL-10kV/20kA
• Display: Digital
• Control: Computer Control
• Weight: 100-500Kg
• Power Source: AC220V
• Input power: AC220V/22kV/3kVA, 60Hz
• Max. DC charging voltage: DC12kV, max. charging current 0.5A
• Charging time: 22kV completed within 40s~60s
• Residual voltage level: 2.5kV and below
• Transport Package: Standard Export Plywood Case
• Specification: ISO9001
• Trademark: HV HIPOT
• Origin: Wuhan, China
• HS Code: 9030339000

Product Description

GDCL-10kV 20kA Impulse Voltage Impulse Current Test System

I. Application

The equipment is according to combination wave testing requirement of the low-voltage power distribution system SPD II product, enable to generate impulse voltage (1.2/50μs) and impulse current (8/20μs), is used for grade III test and limiting voltage test of SPD and components. It is also used for impulse current test and residual voltage test of the MOV valve plate, unit and surge protective device(SPD), or used in other scientific research experiments.

The device uses touch screen and PLC control technology, and the main performance meets the needs of domestic and foreign SPD products and their components for various combination wave testing.

II. Standards

1. GB 18802.1-2012 GB 18802.1-2012 Surge protective devices connected to low-voltage power distribution systems Part 1:Requirements and test method
2. GB/T 18802.12-2006 Surge protective devices connected to low-voltage power distribution systems Part 12: Guidelines for selection and use
3. GB/T 16927.1-1997 High voltage test techniques Part 1: General test requirements
4. GB/T 16927.2-1997 High voltage test techniques Part 2:  Measuring systems
5. GB/T 17626.5-1999 Electromagnetic compatibility-Testing and measurement techniques-Surge immunity test
6. IEC61000-4-5  Electromagnetic compatibility (EMC)  Part 4-5: Testing and measurement techniques - Surge immunity test
7. IEC61643.11: Low-voltage surge protective devices Part 11: Surge protective devices connected to low-voltage power systems-Requirements and test methods
8. IEC61643-21: Low voltage surge protective devices (SPD) Part 21: Surge protective devices connected to telecommunications and signalling networks-Performance requirements and testing methods

III. Applicable Conditions

1. Altitude: 1000M;
2. Ambient temperature: -5ºC~+40ºC, maximum daily temperature difference: 25ºC;
3. Relative humidity: 85% (20ºC) without condensation;
4. Service environment: Indoor;
5. No conductive dust, no fire and explosion hazards, no corrosive metal and insulating Gases;
6. The waveform of the power supply voltage is sine wave, the waveform distortion rate < 5%, and the voltage fluctuation <10%;
7. Grounding resistance: ≤0.5Ω;

VI. Technical Specifications
The main technical parameters of the test platform are:
 

1. Input power: AC220V/22kV/3kVA, 60Hz;
2. Max. DC charging voltage: DC12kV, max. charging current 0.5A;
3. Charging time: 22kV completed within 40s~60s;
4. Charging voltage setting: Test initialization, pre-setting and adjusting of charging voltage;
5. Residual voltage level: ≤2.5kV;
6. Automatic polarity conversion: the number of positive and negative polarity impulse can be set separately;
7. Phase angle: 0-360° adjustable;
8. Impulse current generating circuit

Lightning current 8/20μs, lightning current rated amplitude: 2-20kA;
Capacitance: 16uF, charging voltage: 12kV;
Output capacity: 10%~100%, anti-peak <20% (do not connect the decoupling load);
Output impedance: 0.5Ω (10kV/20kA);

1. Combination wave generating circuit

Lightning current 8/20μs, lightning current rated amplitude: 1-10kA;
Lightning voltage 1.2/50μs, lightning voltage rated amplitude: 2-20kV.
Capacitance: 8uF, charging voltage 22kV.
Output capacity: 10%~100%, anti-peak <20% (do not connect the decoupling load).
Output impedance: 2Ohm± 10%.

1. Cabinet dimension: 600(L) * 800(W) * 1800(H)mm
2. Test object cabinet: 400(L) * 400(W) * 300(H)mm
3. Weight: about 650kg
4. The cabinet is equipped with movable casters and fixed supports, which can be easily moved and positioned;