Product Profile of Automatic Voltage Regulating Relay
Automatic Voltage Regulating Relay is used for regulating the secondary voltage of power transformers with on load tap changer. Automatic Voltage Regulating Relay is offered in microcontroller based design with A/D converter. Automatic Voltage Regulating Relay is a password protected unit that operates on auxiliary supply of 85 V-265 V AC/DC. Automatic Voltage Regulating Relay is featured with 7 segment bright red LED displays and can work on automatic or manual mode of operation.
Neutronics Manufacturing Company manufactures Automatic Voltage Regulating Relay. Neutronics Manufacturing Company supplies a wide range of instruments in the field of Electrical and Electronic Engineering for use in Industrial controls and Measurement systems and Laboratories. The range of products includes automatic power factor control relay, digital tap position indicator, automatic voltage regulating relay, digital set point relay, digital panel meter, high voltage oil test set, AC/DC high voltage test set, digital temperature control, relay test set, auto re-closing relay and remote position indicator.
Key Features of Automatic Voltage Regulating Relay
- Used for regulating the secondary voltage of power transformers with on load tap changer
- Offered in microcontroller based design with A/D converter
- Password protected unit
- Operates on auxiliary supply of 85 V-265 V AC/DC
- Featured with 7 segment bright red LED displays
- Can work on automatic or manual mode of operation
- Linear or inverse time response
- Relay On Timer
- Independent lower, raise and nominal value settings
- Blocking for UV, OV, OC, Control fail, tap fail and minimum/ maximum Tap No.
- Readout of primary/secondary voltages, current and tap No.
- Readout of KV/KI voltage and current
- The parameter settings are made through the front panel keys and are sorted in NVRAM
Product Specification of Automatic Voltage Regulating Relay
- Auxiliary Supply:85V to 265V AC/DC
- Contact rating:5A @ 240V AC
- Delay:Tap Delay - 3 to 10 Seconds ; Control Fail Delay (CF) - OFF Mode to 1800 Seconds. (Factory Setting : 300 Seconds).
- Display:PT Voltage : 4 Digits, 7 segments LE D display (110.0 V OR 433.0 V) for LV side or HV side (as per KV Setting) ; Tap No. - 1 to 40 ; LED Indications : Manual Mode, Control Fail, Over Current*, Tap Fail, Lower, Raise, Under Voltage, Over Voltage.
- Input:TPI Input : 1KΩ / step maximum upto 40 taps (User Defined).
- Mode:Automatic / Manual mode (Voltage Setting) : Select Auto mode for automatic operation. In Manual mode Raise & Lower can be done by INC & DEC Keys. ; Automatic / Manual Mode (A/M) (Time Setting) : Select Automatic or Manual mode of Tap Changer Op. In manual mode Tap can be Raised / Lowered manually through INC/DEC keys. ; Factory Reset Mode (Time Setting) : In the stage of wrong settings & confusion you can easily reset the original setting.
- Operating Temperature:0°C - 45°C
- Overall Size:For VX-4000/3000 : 360mm x 135mm x 190mm (H xx W x D) ; For HX-4000/3000 : 92mm x 192mm x 150mm (H x W x D).
- Panel cutout:For VX-4000/3000 :330mm x 135mm (H x W) ; For HX-4000/3000 : 90mm x 140mm (H x W)
- Relay Outputs:1 pair of NO contacts for Manual Mode, Raise, Lower, UV, OV, CF & Tap Fail.
- Response Time:Inverse Time Response (Time Setting) - YES or NO. Related to Band Time
- settings:Current Setting : Nominal Current Setting (Set-I) - Set value of current (0.110 to 5.000A) ; Over Current Blocking (OVEr-I) - OFF to 99% of set I in steps of 1% ; Primary Current Factor (S-KI) - KI value settable.
- Supply:PT Supply : 110V AC, 50Hz, 1.5VA (can be displayed as 433.0 V)
- Test mode:Test Mode (TEST) (Time Setting) : Relays, Display and LED can be checked.
- Time Delay:Time Delay (TI) between Deviation & First Pluse - 10 to 180 seconds ; Time Delay (T2) between Consecutive Pulses - 2 to 30 Seconds.
- Timer:Relay ON Time - 2 to 10 Seconds (Relay will be ON for the set time) ; Tap Fail Time - OFF Mode to 30 Seconds.
- Voltage:Primary Voltage Factor (KV) (Voltage Setting) : KV value settable.
- Weight:Approx Weight for VX-4000/3000 - 2.5 Kgs ; Approx Weight for HX-4000/3000 - 1.5 Kgs.
- Voltage Setting:Nominal Voltage Setting (NS) : 50.0 to 140.0 V in steps of 0.1V. 335 to 550V for 433V PT display (Optional) ; Lower Voltage Setting (LS) : -0.5% to -9.9% of NS in steps of 0.1% ; Raise Voltage Setting (RS) : +0.5% to 9.9% of NS in steps of 0.1% ; Under Voltage Blocking (UV) : 60 to 99% of NS in steps of 0.1% ; Over Voltage Blocking (OV) : OFF Mode to 99% of NS in steps of 1% ; Line Drop Compensator (Optional) : Use Inc/Dec Keys to charge the P.T. voltage upto ± 25%.
