| Description |
1 online resource (184 pages) |
| Series |
Electrical and Computer Engineering ; v. 109 |
|
Electrical and computer engineering.
|
| Contents |
Cover; Half Title; Title Page; Copyright Page; Table of Contets; Preace; Biographical Sketches; 1: Communication Fundamentáis; 1. Introduction; 2. Basic Equation; 3. On-Off Signaling; 4. Frequency Shift Keying; 5. Pulse-Period Modulation; 6. Phase Modulation; 6.1 Quadrature Phase Shift Keying; 7. Quadrature-Amplitude Modulation; 7.1 General Comments; 2: Current Differential Relaying; 1. Introduction; 2. Pilot Wire Relaying; 2.1 HCB Filter; 2.2 HCB-1 Filter; 3. Pilot Wire Protection; 4. Current Differential Relaying; 4.1 FCB; 4.2 Microprocessor Implementation; 4.3 T1 Carrier |
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5. Pilot Wire Supervision6. Three-Terminal Applications; 7. Summary; 3: Pilot Channels for Protective Relaying; 1. Introduction; 2. Types of Channels; 3. Choice of Channels; 4. Power Line Carrier; 4.1 Modal Considerations; 4.2 Typical Loss Profile; 4.3 Use of Hybrids; 4.4 Coaxial Cable; 4.5 Tuners; 4.6 Noise; 5. Audio Tones; 6. Microwave; 6.1 Basic Microwave Configuration; 6.2 Microwave Reflection; 6.3 Multiplexing; 7. Fiber-Optics; 8. Pilot Wires; 9. Additional Information; References; 4: Transmission Line Pilot Relaying; 1. Introduction; 2. Basic Pilot-Relaying Systems in Use |
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3. Phase-Comparison Relaying3.1 On-Off Channel; 3.2 Frequency-Shift Channel; 3.3 Segregated-Phase Comparison; 3.4 Evaluation of Phase-Comparison Systems; 4. Current Differential Relaying; 5. Directional-Comparison Relaying; 5.1 Blocking Scheme; 5.2 Transfer-Trip-Relaying; 5.3 Other Systems; 6. Problem Areas; 6.1 Zero-Sequence Mutual; 6.2 Current Transformer Saturation; 6.3 Coupling Capacitor Voltage Transformer Transients; 6.4 Channel Problems; 6.5 Power System Swings; 6.6 Three Terminal Lines; 6.7 Evolving Faults; 6.8 Stub Bus Faults; 6.9 Large Load and Limited Fault Current; 7. Table 4-1 |
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5: Three-Terminal Line Protection1. Introduction; 2. Types of Terminals; 2.1 The Transformer Connection; 2.2 Transformer Grounding; 2.3 Generation at the Tap; 2.4 Load at the Tap; 2.5 Outfeed; 3. Criteria for Relaying; 4. Influence of the Load at the Tap; 5. Three-Terminal Relaying; 5.1 Nonpilot Schemes; 5.2 Pilot Schemes; 6. Conclusions; 6: Program Design for Microprocessor Reiays; 1. Introduction; 2. Orthogonal Signals; 2.1 Orthogonal Signals in Distance Relays; 2.2 Orthogonal Filter Pairs; 3. Implicit (Torque-Like) Relay Algorithms; 3.1 Phase Comparator, Magnitude Comparator, and Torque |
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3.2 Torque in Distance Units3.3 Torque Computations; 3.4 Post-filters; 4. Explicit (Impedance) Relay Algorithms; 5. Symmetrical Component Filters; 5.1 Phase Shift by Time-Delaying; 5.2 Phase Shift by Orthogonal Signals; 5.3 Two-Sample Phase Shifter; 6. Summary; 7: Series-Compensated Line Protection Phiiosophies; 1. Introduction; 2. Background; 3. Relaying Quantities Under Fault Conditions; 3.1 Series Compensation; 3.2 Negative Reactance Effect; 3.3 Voltage Reversal; 3.4 Zero Voltage Point; 3.5 Current Direction; 3.6 Speed of Transition; 4. Distance Protection |
| Notes |
5. Directional Comparison Protection |
|
Print version record |
| Subject |
Protective relays.
|
|
Protective relays
|
|
Relaisschutz
|
| Form |
Electronic book
|
| ISBN |
9781351424288 |
|
1351424289 |
|
9781351424271 |
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1351424270 |
|
