HV LOAD TAP CHANGERS | FRANKLIN ELECTRIC INCON 1511 LTC

Franklin Electric Grid Solutions

HV Load Tap Changers By Franklin Electric

HV Load Tap Changers – Franklin Electric

The Franklin Electric Incon 1511 Load Tap Changer Programmable Position Monitor provides accurate local and remote indication of load tap changer position. The Model 1511 LTC indicates the position of transformer load tap changers and can be used to perform a number of functions to help improve system operation.

Franklin Electric Load Tap Changers 1511 LTC

Franklin Electric HV Load Tap Changer 1511 LTC


Incon 1511 LTC HV Load Tap Changer Features And CapabilitiesFranklin Electric 1511 LTC

  • Analog output is unaffected by noisy or intermittent input signals
  • Accepts a 0-24 VDC signal from a slidewire (resistive) transmitter
  • Provides regulated 24 VDC slidewire power
  • Mathematically averages 1000 input signal samples to accurately determine the actual input signal value
  • Provides high and low draghand position indication
  • Offers programmable limit outputs for alarm and control (optional)

 


BENEFITS of the 1511 Load Tap Changer

  • Interfaces LTC position information to SCADA systems
  • Extremely accurate signal conditioner
  • Analog and/or digital output
  • Large five-digit LED display
  • Hard-wired security/ lockout feature
  • Non-volatile storage of program parameters
  • Easy, menu-driven, set up mode through its front panel

 

 

MODEL
DESCRIPTION
Model 1511 LTC HV Load Tap Changer

 

1250B-U-W-Y = Options, see below
U = Output Options: 0
1
2
4


= 0-1 mA
= ±1 mA
= 0-2 mA
= 4-20 mA


W = Control / Isolation: R


= Hi/Lo Relay Limits


Y = Comm. Options: S
M


= RS-232 Serial
= RS-485 MODBUS


 

GENERAL
Input Signal: 0-24 Volts direct current
Resolution: ± 0.001% of full scale or 6 arc minutes
Accuracy: ± 0.02% of full scale maximum (0.01% typical)
Temperature Drift: ± 0.01% per °C
Operating Temperature: 0 ° to 55 °C
Humidity: 10% – 90% non condensing
Weight: 24 ounces
Voltage: 117 ± 10%
Frequency: 47 – 63 Hz
Load:
Transmitter Power:


8 Watts, maximum
Internal 24 VDC supply


DISPLAY
Type: 5-digit LED
Digit Height: 0.56 inch (14.2 mm)
Viewing distance: 23 feet
Decimal point:


Field programmable


OPTIONAL ANALOG OUTPUT
Outputs: ± 1 mA
0-1 mA
0-2 mA
4-20 mA (requires 15 to 24 VDC external loop power)


Compliance: 10 Volts (0-1 mA, ± 1 mA, 0-2 mA) (500 Ohms 4-20 mA) 5 mA (0-10 VDC, ± 10 VDC)
500 Ohms (4-20 mA)


Non-Linearity: ± 0.1% of full scale
Resolution:


12 bits (± 0.025% of full scale)


OPTIONAL HI/LO RELAYS
Contact Rating: 3A @ 125/250 VAC (resistive), 30 VDC