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Practical power system protection [[electronic resource] /] / Les Hewitson, Mark Brown, Ben Ramesh
| Practical power system protection [[electronic resource] /] / Les Hewitson, Mark Brown, Ben Ramesh |
| Autore | Hewitson Les |
| Edizione | [4th ed.] |
| Pubbl/distr/stampa | Oxford ; ; Burlington, MA, : Elsevier/Newnes, 2004 |
| Descrizione fisica | 1 online resource (289 p.) |
| Disciplina |
621.3121
621.317 |
| Altri autori (Persone) |
BrownMark
RameshBen |
| Soggetto topico |
Electric power systems
Electrical engineering |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-280-62919-3
9786610629190 0-08-045598-0 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Front matter; Half Title Page; Other titles in the series; Title Page; Copyright; Contents; Preface; 1. Need for protection; 1.1 Need for protective apparatus; 1.2 Basic requirements of protection; 1.3 Basic components of protection; 1.4 Summary; 2. Faults, types and effects; 2.1 The development of simple distribution systems; 2.2 Fault types and their effects; 3. Simple calculation of short-circuit currents; 3.1 Introduction; 3.2 Revision of basic formulae; 3.3 Calculation of short-circuit MVA; 3.4 Useful formulae; 3.5 Cable information; 3.6 Copper conductors; 4. System earthing
4.1 Introduction 4.2 Earthing devices; 4.3 Evaluation of earthing methods; 4.4 Effect of electric shock on human beings; 5. Fuses; 5.1 Historical; 5.2 Rewireable type; 5.3 Cartridge type; 5.4 Operating characteristics; 5.5 British standard 88:1952; 5.7 Application of selection of fuses; 5.9 Special types; 5.10 General; 5.11 Is-limiter; 6. Instrument transformers; 6.1 Purpose; 6.2 Basic theory of operation; 6.3 Voltage transformers; 6.4 Current transformers; 6.5 Application of current transformers; 6.6 Introducing relays; 6.7 Inverse definite minimum time lag (IDMTL) relay; 7. Circuit breakers 7.1 Introduction 7.3 Purpose of circuit breakers (switchgear); 7.4 Behavior under fault conditions; 7.5 Arc; 7.6 Types of circuit breakers; 7.7 Comparison of breaker types; 8. Tripping batteries; 8.1 Tripping batteries; 8.2 Construction of battery chargers; 8.3 Maintenance guide; 8.4 Trip circuit supervision; 8.5 Reasons why breakers and contactors fail to trip; 8.6 Capacitor storage trip units; 9. Relays; 9.1 Introduction; 9.2 Principle of the construction and operation of the electromechanical IDMTL relay; 9.3 Factors influencing choice of plug setting 9.5 Universal microprocessor overcurrent relay 9.6 Technical features of a modern microprocessor relay; 9.7 Type testing of static relays; 9.8 The future of protection for distribution systems; 9.9 The era of the IED; 9.10 Substation automation; 9.11 Communication capability; 10. Coordination by time grading; 10.1 Protection design parameters on medium- and low-voltage networks; 10.2 Sensitive earth fault protection; 11. Low-voltage networks; 11.1 Introduction; 11.2 Air circuit breakers; 11.3 Moulded case circuit breakers; 11.4 Application and selective coordination 11.5 Earth leakage protection 12. Mine underground distribution protection; 12.1 General; 12.2 Earth-leakage protection; 12.3 Pilot wire monitor; 12.4 Earth fault lockout; 12.5 Neutral earthing resistor monitor (NERM); 13. Principles of unit protection; 13.1 Protective relay systems; 13.2 Main or unit protection; 13.3 Back-up protection; 13.4 Methods of obtaining selectivity; 13.5 Differential protection; 13.6 Transformer differential protection; 13.7 Switchgear differential protection; 13.8 Feeder pilot-wire protection; 13.9 Time taken to clear faults 13.10 Recommended unit protection systems |
| Record Nr. | UNINA-9910457670503321 |
Hewitson Les
|
||
| Oxford ; ; Burlington, MA, : Elsevier/Newnes, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Practical power system protection [[electronic resource] /] / Les Hewitson, Mark Brown, Ben Ramesh
| Practical power system protection [[electronic resource] /] / Les Hewitson, Mark Brown, Ben Ramesh |
| Autore | Hewitson Les |
| Edizione | [4th ed.] |
| Pubbl/distr/stampa | Oxford ; ; Burlington, MA, : Elsevier/Newnes, 2004 |
| Descrizione fisica | 1 online resource (289 p.) |
| Disciplina |
621.3121
621.317 |
| Altri autori (Persone) |
BrownMark
RameshBen |
| Soggetto topico |
Electric power systems
Electrical engineering |
| ISBN |
1-280-62919-3
9786610629190 0-08-045598-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Front matter; Half Title Page; Other titles in the series; Title Page; Copyright; Contents; Preface; 1. Need for protection; 1.1 Need for protective apparatus; 1.2 Basic requirements of protection; 1.3 Basic components of protection; 1.4 Summary; 2. Faults, types and effects; 2.1 The development of simple distribution systems; 2.2 Fault types and their effects; 3. Simple calculation of short-circuit currents; 3.1 Introduction; 3.2 Revision of basic formulae; 3.3 Calculation of short-circuit MVA; 3.4 Useful formulae; 3.5 Cable information; 3.6 Copper conductors; 4. System earthing
4.1 Introduction 4.2 Earthing devices; 4.3 Evaluation of earthing methods; 4.4 Effect of electric shock on human beings; 5. Fuses; 5.1 Historical; 5.2 Rewireable type; 5.3 Cartridge type; 5.4 Operating characteristics; 5.5 British standard 88:1952; 5.7 Application of selection of fuses; 5.9 Special types; 5.10 General; 5.11 Is-limiter; 6. Instrument transformers; 6.1 Purpose; 6.2 Basic theory of operation; 6.3 Voltage transformers; 6.4 Current transformers; 6.5 Application of current transformers; 6.6 Introducing relays; 6.7 Inverse definite minimum time lag (IDMTL) relay; 7. Circuit breakers 7.1 Introduction 7.3 Purpose of circuit breakers (switchgear); 7.4 Behavior under fault conditions; 7.5 Arc; 7.6 Types of circuit breakers; 7.7 Comparison of breaker types; 8. Tripping batteries; 8.1 Tripping batteries; 8.2 Construction of battery chargers; 8.3 Maintenance guide; 8.4 Trip circuit supervision; 8.5 Reasons why breakers and contactors fail to trip; 8.6 Capacitor storage trip units; 9. Relays; 9.1 Introduction; 9.2 Principle of the construction and operation of the electromechanical IDMTL relay; 9.3 Factors influencing choice of plug setting 9.5 Universal microprocessor overcurrent relay 9.6 Technical features of a modern microprocessor relay; 9.7 Type testing of static relays; 9.8 The future of protection for distribution systems; 9.9 The era of the IED; 9.10 Substation automation; 9.11 Communication capability; 10. Coordination by time grading; 10.1 Protection design parameters on medium- and low-voltage networks; 10.2 Sensitive earth fault protection; 11. Low-voltage networks; 11.1 Introduction; 11.2 Air circuit breakers; 11.3 Moulded case circuit breakers; 11.4 Application and selective coordination 11.5 Earth leakage protection 12. Mine underground distribution protection; 12.1 General; 12.2 Earth-leakage protection; 12.3 Pilot wire monitor; 12.4 Earth fault lockout; 12.5 Neutral earthing resistor monitor (NERM); 13. Principles of unit protection; 13.1 Protective relay systems; 13.2 Main or unit protection; 13.3 Back-up protection; 13.4 Methods of obtaining selectivity; 13.5 Differential protection; 13.6 Transformer differential protection; 13.7 Switchgear differential protection; 13.8 Feeder pilot-wire protection; 13.9 Time taken to clear faults 13.10 Recommended unit protection systems |
| Record Nr. | UNINA-9910784447603321 |
|
Hewitson Les
|
||
| Oxford ; ; Burlington, MA, : Elsevier/Newnes, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||