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Insulation Measurement and Supervision in Live AC and DC Unearthed Systems / / by Piotr Olszowiec
| Insulation Measurement and Supervision in Live AC and DC Unearthed Systems / / by Piotr Olszowiec |
| Autore | Olszowiec Piotr |
| Edizione | [2nd ed. 2014.] |
| Pubbl/distr/stampa | Cham : , : Springer International Publishing : , : Imprint : Springer, , 2014 |
| Descrizione fisica | 1 online resource (182 p.) |
| Disciplina | 621.31937 |
| Collana | Lecture Notes in Electrical Engineering |
| Soggetto topico |
Electronics
Microelectronics Power electronics Physics Electronics and Microelectronics, Instrumentation Power Electronics, Electrical Machines and Networks Physics, general |
| ISBN | 3-319-07010-X |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Preface; Contents; Part I AC IT Systems; 1 General Characteristics; Abstract ; 1.1 AC IT Systems Circuit Diagrams; 1.2 Phase-to-Ground Voltages Determination in AC IT Systems; 1.2.1 Single-Phase Systems; 1.2.2 Three-Phase Systems; 1.3 Ground Fault and Leakage Currents Calculation; 1.3.1 Single-Phase Networks; 1.3.1.1 Steady-State Condition; 1.3.1.2 Transient Condition; 1.3.2 Three-Phase Networks; 1.3.2.1 Steady-State Condition; 1.3.2.2 Transient Condition; 1.3.2.3 Zero Sequence Current Calculation; 2 Ground Insulation Measurement in AC IT Systems; Abstract ; 2.1 General Information
2.1.1 Spatial Distribution of Insulation Resistance: Network's Insulation Equivalent Circuit2.2 Insulation Parameters Determination in Single-Phase Networks; 2.2.1 De-energized Networks; 2.2.1.1 Measurements with Megohmmeters; 2.2.1.2 Indirect Methods of Insulation Parameters Determination; 2.2.2 Live Networks; 2.3 Insulation Parameters Determination in Live Three-Phase Networks; 2.3.1 Insulation Equivalent Resistance and Capacitance Values Determination; 2.3.2 Insulation Resistance and Capacitance Determination for Single Phases; 2.3.2.1 Method of an Additional Single-Phase Voltage Source 2.3.2.2 Method of Two Phases Swapping2.3.2.3 Application of an Auxiliary AC Voltage Source with a Different Frequency; 2.4 Unconventional Measurement Methods; 2.4.1 Periodical Measurement of Insulation Parameters; 2.4.1.1 Insulation Resistance Measurement with Megohmmeters; 2.4.1.2 Measurement with Variable Elements; 2.4.2 Devices and Systems for Ground Fault, Earth Leakage and Shock Currents Measurement; 2.5 Influence of Insulation Parameters on Possible Ground Fault, Electric Shock and Ground Leakage Currents Levels; 2.5.1 Assessment of Ground Fault and Ground Leakage Currents 2.5.2 Assessment of Power Losses in Insulation2.5.3 Electric Shock Hazard Assessment; 2.6 Ground Fault Current Compensation; References; 3 Insulation Monitoring Systems; Abstract ; 3.1 Visual Signalization Systems; 3.2 Other Systems of Continuous Insulation Monitoring; 3.2.1 Phase Voltages Monitoring; 3.2.2 Zero-Sequence Voltage Component Monitoring; 3.2.3 Residual Current Monitoring; 3.2.4 Underimpedance System; 4 Systems of Insulation Resistance Continuous Measurement; Abstract ; 4.1 Measurement Circuits with Test Direct Current; 4.2 Measuring Circuits with Diode Rectifier 4.2.1 Star Connected Diode Rectifier4.2.2 Diode Bridge Rectifier; 4.2.3 Other Rectifier Based Measuring Circuits; 4.3 Measurement Method with an Auxiliary Rectangular Voltage Source; 4.3.1 Examples of Application; 4.4 Measurement with Use of Auxiliary AC Voltage; 4.4.1 Application Example; References; Part II DC IT Systems; 5 Equivalent Circuit Diagrams of DC Networks; Abstract ; 5.1 DC Network Simplified Circuit Diagram; 5.2 Equivalent Circuit Diagrams of Batteries; Reference; 6 Insulation Resistance Measurement Methods; Abstract 6.1 Traditional Methods of Periodical Measurement of Insulation Resistance in Live Networks |
| Record Nr. | UNINA-9910299752503321 |
Olszowiec Piotr
|
||
| Cham : , : Springer International Publishing : , : Imprint : Springer, , 2014 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Insulation Measurement and Supervision in Live AC and DC Unearthed Systems / / by Piotr Olszowiec
| Insulation Measurement and Supervision in Live AC and DC Unearthed Systems / / by Piotr Olszowiec |
| Autore | Olszowiec Piotr |
| Edizione | [1st ed. 2013.] |
| Pubbl/distr/stampa | Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2013 |
| Descrizione fisica | 1 online resource (193 p.) |
| Disciplina | 621.4022 |
| Collana | Lecture Notes in Electrical Engineering |
| Soggetto topico |
Electronics
Microelectronics Electrical engineering Electronics and Microelectronics, Instrumentation Electrical Engineering |
| ISBN |
1-283-53184-4
9786613844293 3-642-29755-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Title; Foreword; Contents; Part I AC IT Systems; General Characteristics; AC IT Systems Circuit Diagrams; Phase-to-Ground Voltages Determination in AC IT Systems; Single-Phase Systems; Three-Phase Systems; Ground Fault and Leakage Currents Calculation; Single-Phase Networks; Three-Phase Networks; Ground Insulation Measurement in AC IT Systems; General Information; Spatial Distribution of Insulation Resistance - Network Insulation Equivalent Circuit; Insulation Parameters Determination in Single-Phase Networks; De-energized Networks; Live Networks
Insulation Parameters Determination in Live Three-Phase NetworksInsulation Equivalent Resistance and Capacitance Values Determination; Insulation Resistance and Capacitance Determination for Single Phases; Unconventional Measurement Methods; Periodical Measurement of Insulation Parameters; Devices and Systems for Ground Fault, Earth Leakage and Shock Currents Measurement; Influence of Insulation Parameters on Possible Ground Fault, Electric Shock and Ground Leakage Currents Levels; Assessment of Ground Fault and Ground Leakage Currents; Assessment of Power Losses in Insulation Electric Shock Hazard AssessmentGround Fault Current Compensation; References; Insulation Monitoring Systems; Visual Signalization Systems; Other Systems of Continuous Insulation Monitoring; Phase Voltages Monitoring; Zero-Sequence Voltage Component Monitoring; Residual Current Monitoring; Underimpedance System; Systems of Insulation Resistance Continuous Measurement; Measurement Circuits with Test Direct Current; Measuring Circuit with Diode Bridge Rectifier; Other Rectifier Based Measuring Circuits; Measurement Method with an Auxiliary Rectangular Voltage Source Measurement with Use of Auxiliary AC VoltageReferences; Part II DC IT Systems; Equivalent Circuit Diagrams of DC Networks; DC Network Simplified Circuit Diagram; Equivalent Circuit Diagrams of Batteries; Reference; Insulation Resistance Measurement Methods; Traditional Methods of Insulation Resistance Measurement in Live Networks; Other Analytical Methods; Unconventional Methods of Insulation Resistance Measurement; Evaluation of Errors of Analytical Methods; Devices and Systems for Insulation Deterioration Alarming; Visual Signaling of Insulation Resistance Level Simple Systems of Continuous Insulation MonitoringReference; Modern Methods of Continuous Insulation Measurement; Measurements with Superimposed AC Test Voltage; Commutation Method; Determination of Insulation Equivalent Resistance of DC Network and Its Single Lines; "Pulse" Test Voltage Method; Unconventional Methods of Insulation Resistance Monitoring; Insulation Supervision with Insulation Leakage Resistance Control; Method of Auxiliary Voltage "Triangle" Pulses; System of Automatic Insulation-to-Ground Capacitance Compensation; References Ground Fault, Leakage and Electric Shock Currents in DC IT Systems |
| Record Nr. | UNINA-9910437762203321 |
|
Olszowiec Piotr
|
||
| Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2013 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||