IEEE Electrification Magazine - September 2013 - 37

and interruption capability throughout the fault event. For
this test, the source inductance was 8 µH, and the test voltage was 800 Vdc, resulting in a di/dt of the fault current of
approximately 100 A/µs during the fault event, which is
50A/µs per SSPD. The current reached 4,800-A peak through
SSPD 1 before it was interrupted by the breaker. In the
same test, the current reached 5,020-A peak through SSPD
2 before it was interrupted by that breaker. The test results

show that the fault currents through the two solid-state circuit breakers remained balanced within 5% of each other.

SSPD Device Considerations
The trend in shipboard power distribution systems is to
transition to higher system voltage levels, which reduces
the amount of current required to distribute a given
amount of power. DC power systems with line voltages up

SSPD
Control Board

IGBT Gate IGBT Gate
Drive 1
Drive 2

= Fiber Optic Cable

Q1
dc + In

High-Current Pulse

dc +
Out

D1
Local Bus
Snubber

Bus
Snubber

Device
Snubber

dc − In

dc −
Out

SSPD 2
Output
Current

Q1
−

dc + In
Local Bus
Snubber

Bus
Snubber

dc + Out

D1

Bus Bar Short

+
HCPG

SSPD 1
Output
Current

Device
Snubber
dc − Out

dc − In
One-Pole IGBT-Based SSPD 2
Figure 8. DC interruption test setup for two IGBT-based parallel SSPDs-10,000 A.

HCPG

Pole 2
5,020-A Peak
4,800-A Peak

2,000 A/Major Division

IGCTs

Pole 1

0 ref.

1

100 µs/Major Division
Figure 9. A dc interruption test setup for two IGBT-based parallel
SSPDs-10,000 A.

Figure 10. The interruption current (10,000-A peak) of two parallelpole SSPDs.
	

IEEE Elec trific ation Magazine / s ep t em be r 2 0 1 3

37



Table of Contents for the Digital Edition of IEEE Electrification Magazine - September 2013

IEEE Electrification Magazine - September 2013 - Cover1
IEEE Electrification Magazine - September 2013 - Cover2
IEEE Electrification Magazine - September 2013 - 1
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IEEE Electrification Magazine - September 2013 - Cover3
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https://www.nxtbook.com/nxtbooks/pes/electrification_september2022
https://www.nxtbook.com/nxtbooks/pes/electrification_june2022
https://www.nxtbook.com/nxtbooks/pes/electrification_march2022
https://www.nxtbook.com/nxtbooks/pes/electrification_december2021
https://www.nxtbook.com/nxtbooks/pes/electrification_september2021
https://www.nxtbook.com/nxtbooks/pes/electrification_june2021
https://www.nxtbook.com/nxtbooks/pes/electrification_march2021
https://www.nxtbook.com/nxtbooks/pes/electrification_december2020
https://www.nxtbook.com/nxtbooks/pes/electrification_september2020
https://www.nxtbook.com/nxtbooks/pes/electrification_june2020
https://www.nxtbook.com/nxtbooks/pes/electrification_march2020
https://www.nxtbook.com/nxtbooks/pes/electrification_december2019
https://www.nxtbook.com/nxtbooks/pes/electrification_september2019
https://www.nxtbook.com/nxtbooks/pes/electrification_june2019
https://www.nxtbook.com/nxtbooks/pes/electrification_march2019
https://www.nxtbook.com/nxtbooks/pes/electrification_december2018
https://www.nxtbook.com/nxtbooks/pes/electrification_september2018
https://www.nxtbook.com/nxtbooks/pes/electrification_june2018
https://www.nxtbook.com/nxtbooks/pes/electrification_december2017
https://www.nxtbook.com/nxtbooks/pes/electrification_september2017
https://www.nxtbook.com/nxtbooks/pes/electrification_march2018
https://www.nxtbook.com/nxtbooks/pes/electrification_june2017
https://www.nxtbook.com/nxtbooks/pes/electrification_march2017
https://www.nxtbook.com/nxtbooks/pes/electrification_june2016
https://www.nxtbook.com/nxtbooks/pes/electrification_december2016
https://www.nxtbook.com/nxtbooks/pes/electrification_september2016
https://www.nxtbook.com/nxtbooks/pes/electrification_december2015
https://www.nxtbook.com/nxtbooks/pes/electrification_march2016
https://www.nxtbook.com/nxtbooks/pes/electrification_march2015
https://www.nxtbook.com/nxtbooks/pes/electrification_june2015
https://www.nxtbook.com/nxtbooks/pes/electrification_september2015
https://www.nxtbook.com/nxtbooks/pes/electrification_march2014
https://www.nxtbook.com/nxtbooks/pes/electrification_june2014
https://www.nxtbook.com/nxtbooks/pes/electrification_september2014
https://www.nxtbook.com/nxtbooks/pes/electrification_december2014
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