Abstract
A novel concept for a combined short circuit limiter and dynamic series compensator is presented. The device consists of a fixed capacitor, thyristor switched capacitors, and a thyristor switch inductance. The circuit is designed to regulate the impedance in steps. The series compensation is controlled by the capacitors switching on and off, while the current limitation is achieved by the insertion of a resonant LC circuit in the transmission line. The thyristor switches are operated at zero current crossing, which eliminates the harmonics generation. The system operation has been analyzed and realistic components have been selected. The results have demonstrated that the device can regulate the line impedance effectively and significantly reduce the short circuit current. It can be built with commercially available components; the significant operation improvement is expected to justify the cost of the new device.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1031-1037 |
| Number of pages | 7 |
| Journal | IEEE Transactions on Power Delivery |
| Volume | 6 |
| Issue number | 3 |
| DOIs | |
| State | Published - Jul 1991 |
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ASJC Scopus subject areas
- Electrical and Electronic Engineering
Cite this
Concept of a combined short circuit limiter and series compensator. / Karady, George G.
In: IEEE Transactions on Power Delivery, Vol. 6, No. 3, 07.1991, p. 1031-1037.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Concept of a combined short circuit limiter and series compensator
AU - Karady, George G.
PY - 1991/7
Y1 - 1991/7
N2 - A novel concept for a combined short circuit limiter and dynamic series compensator is presented. The device consists of a fixed capacitor, thyristor switched capacitors, and a thyristor switch inductance. The circuit is designed to regulate the impedance in steps. The series compensation is controlled by the capacitors switching on and off, while the current limitation is achieved by the insertion of a resonant LC circuit in the transmission line. The thyristor switches are operated at zero current crossing, which eliminates the harmonics generation. The system operation has been analyzed and realistic components have been selected. The results have demonstrated that the device can regulate the line impedance effectively and significantly reduce the short circuit current. It can be built with commercially available components; the significant operation improvement is expected to justify the cost of the new device.
AB - A novel concept for a combined short circuit limiter and dynamic series compensator is presented. The device consists of a fixed capacitor, thyristor switched capacitors, and a thyristor switch inductance. The circuit is designed to regulate the impedance in steps. The series compensation is controlled by the capacitors switching on and off, while the current limitation is achieved by the insertion of a resonant LC circuit in the transmission line. The thyristor switches are operated at zero current crossing, which eliminates the harmonics generation. The system operation has been analyzed and realistic components have been selected. The results have demonstrated that the device can regulate the line impedance effectively and significantly reduce the short circuit current. It can be built with commercially available components; the significant operation improvement is expected to justify the cost of the new device.
UR - http://www.scopus.com/inward/record.url?scp=0026186342&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0026186342&partnerID=8YFLogxK
U2 - 10.1109/61.85844
DO - 10.1109/61.85844
M3 - Article
AN - SCOPUS:0026186342
VL - 6
SP - 1031
EP - 1037
JO - IEEE Transactions on Power Delivery
JF - IEEE Transactions on Power Delivery
SN - 0885-8977
IS - 3
ER -