Siemens 3AH Instalação, operação e manutenção - Página 4

Procurar online ou descarregar pdf Instalação, operação e manutenção para Unidade de controlo Siemens 3AH. Siemens 3AH 20 páginas. Vacuum circuit breaker operator module
Também para Siemens 3AH: Instruções, instalação, operação, manutenção (33 páginas), Manual de instruções (38 páginas)

Siemens 3AH Instalação, operação e manutenção
Vacuum Circuit Breaker Operator Module

Table of Illustrations

Figures
Vacuum Circuit Breaker Module .......................... 6
Mechanism Module ............................................ 7
Pole Assembly ..................................................... 8
Figure 10 Typical Elementary Diagram ..................................... 16
Figure 12 Latch Details ............................................................ 18
Figure 14 Capacitor Trip Device ............................................... 18
Figure 15 Operator Lubrication Points ..................................... 21
Figure 16 Contact Erosion Check Mark ................................... 22
Figure 17 Typical Vacuum Interrupter Contact Life Curves .......24
Figure 18 Circuit Breaker Pole Assembly/Vacuum Check
Mechanical/Contact Resistance Test ................ 26
Figure 19 Vacuum Interrupter Replacement Illustration ......... 29
Figure 20 Technique for Tightening Vacuum Interrupter
Terminal Clamp Hardware................................. 30
Tables
Table 1
Maintenance Tasks ............................................ 20
Table 2
Maintenance and Lubrication Intervals
(ANSI C37.06) .................................................... 20
Table 3
Typical Vacuum Interrupter Contact
Life Expectancy ................................................. 23
Table 4
High Potential Test Voltages .............................. 25
Table 5
Maximum Contact Resistance .......................... 27
Table 6
Overhaul Schedule ............................................ 28
Table 7
Vacuum Interrupter Stroke ............................... 32
Table 8
Troubleshooting .............................................. 33-34
Appendix
Table A-1a 3AH Circuit Breaker Ratings
(Historic "Constant MVA" Rating Basis) ..................... 35
Table A-1b 3AH Circuit Breaker Ratings
(New "Constant kA" Rating Basis) .............................. 36
Table A-2 3AH Circuit Breaker Ratings ................................... 37
Table A-3 Interrupting Capacity of Circuit Breaker
Auxiliary Switch Contacts ........................................... 37
Table A-4 Circuit Breaker Weights .......................................... 37
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