Product

H type impulse current generator

Type

CDLH

Structure

H type

1 steel frame consisting of 4 flanges and 2 external capacitors in parallel for each stage, multiple stage design for easy installation and reconfiguration, stable structure

Functions

It is used to test residual voltage and shunt of arrestors at 35-110kV or 220kV voltage and more.

Advantages

Good appearance

As shown in the photo

Versatility

Up to 16-circuit 220kV voltage on arrestors in shunt tests

Easy modulation

Manually wire wound resistors , great flexibility and easy modulation

High synchronization rate

Unique synchronization technology; synchronization range≥20%, malfunction rate≤1%

Ease of operation

Resistors connected by spring contacts for easy and quick installation and reconfiguration; internal ladder and operating platform at every third stage for easy and safe operation

High output efficiency

Lightning wave efficiency≥90% (idle); switching wave efficiency≥70% (approx. 3000pF total load) 

Mobility

Easy and stable displacement  of apparatus with air cushion transport system(optional); already applied to 6000kV apparatus

Stable performance

Long-time operation at a voltage lower than 80% of rated voltage

Performance

LI

Up to 2400kV

SI

Up to 1800kV

Current impulse

8/20 μS, LI

30/80 μS, SI

The impulse current generator and the charging unit are integrated.

Symmetric bilateral charging unit

Charging unit with automatic grounding and polarity reversal (built-in)

Encapsulated spark gaps with filtered air-flow

Capacitor with safety grounding device

high voltage level, high capacity and high load

Leading technologies and performance

Type

Rated voltage(kV)

Total energy(kJ)

Capacitance (μ F)

Stage voltage (kV)

NO. of stages(n)

Height(m)

CDLH600kV

600

70～210

0.071～0.21

200

3

3.6

CDLH1000kV

1000

70～210

0.071～0.21

200

5

4.8

CDLH1200kV

1200

80～240

0.063～0.188

200