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19 Cards in this Set
- Front
- Back
|
20
|
Elect. operated valve (solenoid valve) |
|
|
25
|
Synchronizing or Synchronism-Check Device |
|
|
27
|
Undervoltage Relay |
|
|
32 |
Directional Power Relay |
|
|
40
|
Field (over/under excitation) Relay |
|
|
41
|
Field Circuit Breaker |
|
|
47
|
Phase-Seq. or Phase-Bal. Voltage Relay |
|
|
50
|
Instantaneous Overcurrent |
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|
51
|
AC Time Overcurrent Relay |
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|
55
|
Power Factor Relay |
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|
59
|
Overvoltage Relay |
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|
64
|
Ground Detector Relay |
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|
65
|
Governor |
|
|
67
|
AC Directional Overcurrent Relay |
|
|
69
|
Permissive Control Device |
|
|
79
|
AC-Reclosing Relay |
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|
81
|
Frequency Relay |
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|
86 |
Lockout Relay |
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|
87
|
Differential Protective Relay |
