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Bild 1

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Dry-type Cable Arc Suppression Coil, Vattenfall Sigtuna Substation 10kV, Sweden ... Deutsche Bahn Ra lway Network 110kV, Germany. TEST SITE: SIGTUNA 70/20/10 kV ... – PowerPoint PPT presentation

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Title: Bild 1


1
Online Partial Discharge Measurement and
Control CIRED Round Table RT1B
Kristian Winter KTH/Swedish Neutral
2
  • The RCC Ground Fault Neutralizer balances out
    the residual ground fault current in
    resonance grounded networks.
  • First commissioning in 1992, 70 systems
    installed to date.
  • Quickest disarming of fault current commerically
    available today, with the added benefit that the
    faulty feeder is not disconnected during
    operation and full customer supply is maintained.

Dry-type Cable Arc Suppression Coil, Vattenfall
Sigtuna Substation 10kV, Sweden
Industrial Compact System Eko Stahl Steel Mill
30kV, Germany
RCC Ground Fault Neutralizer Deutsche Bahn
Raílway Network 110kV, Germany
3
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4
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5
TEST SITE SIGTUNA 70/20/10 kV SUBSTATION, SWEDEN
Test Dates 26th 27th March 2007
6
PD Level (mV)
Volts
Peak PD in Time
3,000
9,000
2,500
8,000
2,000
7,000
1,500
6,000
1,000
5,000
500
4,000
0
16
14
12
10
8
6
4
2
0
Time (Minutes)
HV Capacitor
7
PD Level (mV)
Volts
Peak PD in Time
400
9,000
350
8,000
300
250
7,000
200
6,000
150
5,000
100
4,000
50
0
16
14
12
10
8
6
4
2
0
Time (Minutes)
HFCT
8
PD Level (mV)
Volts
Peak PD in Time
350
7,000
300
6,000
250
5,000
200
4,000
150
3,000
2,000
50
1,000
0
16
14
12
10
8
6
4
2
0
Time (Minutes)
Off line lab test
9
(No Transcript)
10
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