Sensitive Ground Relaying of A-C Generators [includes discussion]
- 1 April 1952
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems
- Vol. 71 (2), 539-544
- https://doi.org/10.1109/aieepas.1952.4498505
Abstract
Increased use has been made recently of high resistance neutral grounding of generators which operate in unit connection on high-voltage bus bars. High resistance grounding is achieved by connecting a constant resistance between the secondaries of a distribution transformer, the primaries of which are connected to the generator neutral and to ground. Replacing this resistance by one of nonlinear characteristic improves the protection by reducing the dead zone. Ground protection of the complete winding, including the neutral, may be achieved by introducing permanent neutral displacement by means of a small distribution transformer.Keywords
This publication has 2 references indexed in Scilit:
- Simplicity in transformer protectionElectrical Engineering, 1947
- Typical Transformer Faults and Gas Detector Relay ProtectionTransactions of the American Institute of Electrical Engineers, 1947