Emco EE301-T, Руководство пользователя

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III SPECIFICATIONS
Auxiliary Supply.................... 110V/230V AC + 15% 50Hz, 15VA
PT Supply ........................... 110V AC 50Hz, 1.5VA and readable on display
Nominal Value Setting (NVA).... Adjustable between 110V + 10% & readable on display
LOWER Volts Setting............. Adjustable between 0.5V to 5V above
the NVA and readable on display
RAISE Volts setting................ Adjustable between 0.5V to 5V below the
NVA and readable on display
Time Delay Setting................... Fixed (Voltage Independent) Time
Delay adjustable from 10 to 120 Secs
Time Delay Resetting.............. Instantaneous resetting with voltage
returning to deadband
Undervoltage Blocking............. Internal blocking at 80% of regulated value.
Restoration at 85% of regulated value
Overvoltage Blocking.............. Internal Blocking at 132V & Restoration at 127V
Control Relays........................ One pair of normally open potential free contacts of
rating 5A at 240V AC or 24V DC resistive load for each
Lower, Raise, Control Fail & Undervoltage / Overvoltage
control relays (Only one pair of contacts is available for
either UV or OV)
Control Operation.................... Single Pulse operation with approx. 2 secs on time
Operating Temperature............. 0
°
C - 45
°
C
Overall Size........................... 378mm X 160mm X 260mm (H X W X D)
Weight.................................... 5 Kgs. (approx.)
Options.................................. 1. Tap Position Indicator , Max. 35 Taps with 1K
W
resistance
2. Line drop compensator with resistive and reactive
compensation of either polarity upto 20% and
suitable for operation with 1A, 5VA current
transformer
3. Normally closed Auxiliary Supply Fail Relay Contacts
4. User defined settings for PT Supply, Time Delay,
Undervoltage & Overvoltage Blocking. User specified
step resistance for TPI
5. 4-20 mA TPI output for SCADA
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