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    Low Damped-Capacitive Impulse Voltage Divider

  • Category:
    Low Damped-Capacitive Impulse Voltage Divider
  • Browse number:
    444
  • Release time:
    2019-09-04 17:50:21
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Technical Specification


Model No

Rated

kV

Voltage L.I.

1.2/50μs

Rated

kV

Voltage S.I. 250/2500μs

Rated Capacitance

pF

GVD-400/300

300

240


GVD-400/400

400

320

 

300~600

GVD-400/600

600

480


GVD-300/800

800

640


GVD-300/900

900

720


GVD-300/1200

1200

960


GVD-300/1600

1600

1280

 

300~1000

GVD-300/1800

1800

1440


GVD-300/2400

2400

1920


GVD-400/3000

3000

2400



1200kV 400pF Voltage Divider

1200kV 400pF Voltage Divider

Dimensions & Weights


Model No

Diamater of corona ring (mm)

Height (mm)

Weight (kg)

GVD-400/300

600

1600

75

GVD-400/400

600

1800

120

GVD-400/600

600

2200

150

GVD-300/800

900

2500

200

GVD-300/900

900

3600

220

GVD-300/1200

1200

4375

310

GVD-300/1600

1600

5800

680

GVD-300/1800

2200

7380

900

GVD-300/2400

2200

8035

905

G



1420

G



1800

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Application

GVD series weak damped-capacitive impulse voltage divider are used to measure high voltage full and tail chopped lightning and full switching impulses. Provided with an adequate additional secondary part, it can also be used for alternating voltage measurements.

Standard

IEC60060-2 High-voltage test techniques Part 2: measuring systems

Technical Specification

Design

The voltage divider consists of several stages of impulse capacitors connected in series. The weak damped resistors adopt the multi-stage layout, impulse capacitors are of no inductance, low voltage arm consists of non-inductive leaded multi layer ceramic capacitor.

The HV arm is installed on the basis of removable metal plate with wheels. The secondary unit includes a capacitor and a damping resistor of low inductance both arranged in a coaxial design. The unit is fixed at the bottom of the voltage divider and can be easily exchanged.

There is corona rings on top to avoid abnormal flash over or discharge when the impulse test is being carried out.


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