Isbn: 9781468464610 - protective relays: their theory and practice volume one (16 risultati)

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Taschenbuch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - 1. Purpose of Protective Relays and Relaying. Causes of Faults. Definitions. Functions of Protective Relays. Application to a Power System.- 2. Relay Design and Construction. Characteristics. Choice of Measuring Units. Construction of Measuring Units. Construction of Timing Units. Details of Design. Cases. Panel Mounting. Operation Indicators. Finishes.- 3. The Main Characteristics of Protective Relays. Phase and Amplitude Comparators. Relay Characteristics. General Equation for Characteristics. Inversion Chart. Resonance. Appendix.- 4. Overcurrent Protection. Time-Current Characteristics. Application. Limits of Error. Ratings. Directional Overcurrent Protection. A.C. Tripping. Schemes for Radial Feeders. Construction. Application. Problem.- 5. Distance Relays. General Principles. Special Characteristics. Limitations. Application to Lines. Settings. Multi-terminal Lines. Construction. A.C. Potential Supply. Simultaneous Ground Faults. Auto-reclosing Zero Sequence Compensation.- 6. Switched and Polyphase Distance Relays. Reduction of Measuring Units. Automatic Switching Schemes. Polyphase Distance Relays. Phase and Amplitude Comparators. Analysis of Polyphase Comparators.- 7. Directional Pilot Relaying. Basic Principles. Pilot Wire Schemes. Carrier Channel Schemes. Carrier Signal Checking. Future Trends.- 8. A.C. Pilot Relaying. Pilot Wire Schemes. Phase and Amplitude Comparators. Effect of Load Current. Multi-terminal Lines. Pilot Wire Limitations. Pilot Supervision. Phase Comparison Carrier.- 9. Protection of A.C. Machines. Generator Protection. Stator Faults. Rotor Faults. Miscellaneous Faults. Motor Protection. Faults. Unbalanced Conditions. Power Station Auxiliaries. Current Differential Relaying.- 10. Power Transformer Protection. Types of Faults. Gas Relays. Differential Relays. Magnetising Inrush. Minimising of Effects. Relay Solutions. Grounding Transformers. Generator Transformer Units. Transformer Feeders.- 11. Bus-Zone Protection. General Principles. Current Differential Protection. Voltage Differential. Frame Leakage Protection. Directional Comparison. Back-up. Supervision.- 12. Back-Up Protection. Basic Principles. Precautions for Reliability Remote Back-up. Local Back-up. Relay Back-up. Breaker Back-up. A.C. Supplies. D.C. Supply.- 13. Maintenance and Testing of Relays. Commissioning. Periodic Maintenance. Transfer to Test Circuit. Tools. Safety Measures. Mechanical Tests. Electrical Tests. Manufacture Tests.- 14. Miscellaneous. Static Relays. Future of Electromagnetic Relays. D.C. Protection Relays. Protection Engineering as a Career.- References.…

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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -1. Purpose of Protective Relays and Relaying. Causes of Faults. Definitions. Functions of Protective Relays. Application to a Power System.- 2. Relay Design and Construction. Characteristics. Choice of Measuring Units. Construction of Measuring Units. Construction of Timing Units. Details of Design. Cases. Panel Mounting. Operation Indicators. Finishes.- 3. The Main Characteristics of Protective Relays. Phase and Amplitude Comparators. Relay Characteristics. General Equation for Characteristics. Inversion Chart. Resonance. Appendix.- 4. Overcurrent Protection. Time-Current Characteristics. Application. Limits of Error. Ratings. Directional Overcurrent Protection. A.C. Tripping. Schemes for Radial Feeders. Construction. Application. Problem.- 5. Distance Relays. General Principles. Special Characteristics. Limitations. Application to Lines. Settings. Multi-terminal Lines. Construction. A.C. Potential Supply. Simultaneous Ground Faults. Auto-reclosing Zero Sequence Compensation.- 6. Switched and Polyphase Distance Relays. Reduction of Measuring Units. Automatic Switching Schemes. Polyphase Distance Relays. Phase and Amplitude Comparators. Analysis of Polyphase Comparators.- 7. Directional Pilot Relaying. Basic Principles. Pilot Wire Schemes. Carrier Channel Schemes. Carrier Signal Checking. Future Trends.- 8. A.C. Pilot Relaying. Pilot Wire Schemes. Phase and Amplitude Comparators. Effect of Load Current. Multi-terminal Lines. Pilot Wire Limitations. Pilot Supervision. Phase Comparison Carrier.- 9. Protection of A.C. Machines. Generator Protection. Stator Faults. Rotor Faults. Miscellaneous Faults. Motor Protection. Faults. Unbalanced Conditions. Power Station Auxiliaries. Current Differential Relaying.- 10. Power Transformer Protection. Types of Faults. Gas Relays. Differential Relays. Magnetising Inrush. Minimising of Effects. Relay Solutions. Grounding Transformers. Generator Transformer Units. Transformer Feeders.- 11. Bus-Zone Protection. General Principles. Current Differential Protection. Voltage Differential. Frame Leakage Protection. Directional Comparison. Back-up. Supervision.- 12. Back-Up Protection. Basic Principles. Precautions for Reliability Remote Back-up. Local Back-up. Relay Back-up. Breaker Back-up. A.C. Supplies. D.C. Supply.- 13. Maintenance and Testing of Relays. Commissioning. Periodic Maintenance. Transfer to Test Circuit. Tools. Safety Measures. Mechanical Tests. Electrical Tests. Manufacture Tests.- 14. Miscellaneous. Static Relays. Future of Electromagnetic Relays. D.C. Protection Relays. Protection Engineering as a Career.- References. 504 pp. Englisch.…

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. 1. Purpose of Protective Relays and Relaying. Causes of Faults. Definitions. Functions of Protective Relays. Application to a Power System.- 2. Relay Design and Construction. Characteristics. Choice of Measuring Units. Construction of Measuring Units. Const. …

Condizione: New. Print on Demand pp. 512 67:B&W 6.69 x 9.61 in or 244 x 170 mm (Pinched Crown) Perfect Bound on White w/Gloss Lam.

Condizione: New. PRINT ON DEMAND pp. 512.

Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -1. Purpose of Protective Relays and Relaying. Causes of Faults. Definitions. Functions of Protective Relays. Application to a Power System.- 2. Relay Design and Construction. Characteristics. Choice of Measuring Units. Construction of Measuring Units. Construction of Timing Units. Details of Design. Cases. Panel Mounting. Operation Indicators. Finishes.- 3. The Main Characteristics of Protective Relays. Phase and Amplitude Comparators. Relay Characteristics. General Equation for Characteristics. Inversion Chart. Resonance. Appendix.- 4. Overcurrent Protection. Time-Current Characteristics. Application. Limits of Error. Ratings. Directional Overcurrent Protection. A.C. Tripping. Schemes for Radial Feeders. Construction. Application. Problem.- 5. Distance Relays. General Principles. Special Characteristics. Limitations. Application to Lines. Settings. Multi-terminal Lines. Construction. A.C. Potential Supply. Simultaneous Ground Faults. Auto-reclosing Zero Sequence Compensation.- 6. Switched and Polyphase Distance Relays. Reduction of Measuring Units. Automatic Switching Schemes. Polyphase Distance Relays. Phase and Amplitude Comparators. Analysis of Polyphase Comparators.- 7. Directional Pilot Relaying. Basic Principles. Pilot Wire Schemes. Carrier Channel Schemes. Carrier Signal Checking. Future Trends.- 8. A.C. Pilot Relaying. Pilot Wire Schemes. Phase and Amplitude Comparators. Effect of Load Current. Multi-terminal Lines. Pilot Wire Limitations. Pilot Supervision. Phase Comparison Carrier.- 9. Protection of A.C. Machines. Generator Protection. Stator Faults. Rotor Faults. Miscellaneous Faults. Motor Protection. Faults. Unbalanced Conditions. Power Station Auxiliaries. Current Differential Relaying.- 10. Power Transformer Protection. Types of Faults. Gas Relays. Differential Relays. Magnetising Inrush. Minimising of Effects. Relay Solutions. Grounding Transformers. Generator Transformer Units. Transformer Feeders.- 11. Bus-Zone Protection. General Principles. Current Differential Protection. Voltage Differential. Frame Leakage Protection. Directional Comparison. Back-up. Supervision.- 12. Back-Up Protection. Basic Principles. Precautions for Reliability Remote Back-up. Local Back-up. Relay Back-up. Breaker Back-up. A.C. Supplies. D.C. Supply.- 13. Maintenance and Testing of Relays. Commissioning. Periodic Maintenance. Transfer to Test Circuit. Tools. Safety Measures. Mechanical Tests. Electrical Tests. Manufacture Tests.- 14. Miscellaneous. Static Relays. Future of Electromagnetic Relays. D.C. Protection Relays. Protection Engineering as a Career.- References.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 504 pp. Englisch.…