>
Nominal voltage range : 57 – 130V
Each measuring element time delay can be blocked by the
operation of a user defined logic (optical isolated) input (see
“Blocking logic1” or “Blocking logic2” functions).
Element
Time delay type
1st stage
Definite Time (DT) or IDMT
2nd stage
DT
3rd stage
DT
Each voltage element is associated to an independent time
delay.
V<= Voltage Set
0.5…130.0V
V<<= Voltage Set
0.5…130.0V
V<<<= Voltage Set
0.5…130.0V
Time delay settings
PROTECTION SETTING RANGES
UNDERVOLTAGE (ANSI CODE 27)
Threshold settings (secondary values)
Содержание DUA2.1
Страница 1: ...Numerical Voltage Protection Relay Technical Guide and user manual HF9024 DUA2 1 ...
Страница 4: ...Introduction 1 INTRODUCTION The Voltage relay type HF9024 is a numerical relay HF9024 ...
Страница 8: ...Handling Installation and Case Dimensions HANDLING INSTALLATION AND CASE DIMENSIONS HF9024 ...
Страница 17: ...User Guide User Guide HF9024 ...