Kyongbo Electric Co., Ltd.
18
■ OPR Setting Example
- Generally, about 20% of the generated electricity is applied.
- When the power generation capacity is 100kW, EVT , CT 1000/5A
Power generation capacity ÷ VT ratio ÷ CT ratio × 0.2 ⇒ 100kW ÷ 2 ÷ 200 × 0.2 = 50W
■ UFR Setting Method
① After selecting ‘UFR (81U)’ in Protection Relay Element Setting Method ④, press the RIGHT (
) Key.
② Select ‘UFR1’, ‘UFR2’, ‘UFR3’, ‘UFR4’ by using UP (
) and DOWN (
) keys and press the RIGHT (
) key
to enter the setting screen.
③ Use the UP (
), DOWN (
) KEY to move the category you want to set, and then enter the ENTER ( )
KEY to pop up the password input screen. (initial password 0000)
④ Use the UP (
), DOWN (
) KEY to change the setting value and then press the ENTER ( ) KEY.
⑤ After completing the setting, press the LEFT (
) KEY to check whether the setting has been changed.
After selecting ‘Yes’ or ‘No’, the setting is completed when the ENTER key is pressed.
/
380
3
190
3
ENTER
ENTER
LCD Display
Category
Description
FUNCTION
Whether to use the function
- Setting Range : ENABLED, DISABLED
PICK-UP
Frequency Pick-up Setting
- Setting Range : 40.00 ~ 70.00Hz (0.01Hz STEP)
BLOCK VOLT
Minimum Operating Voltage Setting
- Setting Range : 20 ~ 170V (1V STEP)
TIME DELAY
Operation Delay Time Setting
- Setting Range : 0.07 ~ 180.00s (0.01s STEP)
BLOCK
Protection Blocking Condition Setting
- Setting Range : EASYLOGIC OPERAND
WAVEFORM
Whether to Record Waveforms
- Setting Range : ENABLED, DISABLED