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Parimal Engineering Industries

Vasai, Maharashtra

| GST  27AAAFP1257E1ZK

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Electrical Regulator

We are a leading Manufacturer of Liquid Speed Regulator (LSR), Grid Resistance Regulator and Speed Regulator from Vasai, India.

Liquid Speed Regulator (LSR)
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PEI” make Liquid Speed Regulator (Continuous Duty) suitable for 250 KW HT Motor, RV=585 V, RA-230 Amp & shall be consisting of:

  • “PEI” make Liquid Rotor Resistance Controller, Motorized / Manually operated suitable for 550 HP S.R.Motor and having starting and running interlocking arrangement and having suitable cable entry box and having M.S.Electrodes in horizontal movement and having 170 Amp. shorting contractor(AC 3 Duty) in delta connected. Inside the tank shall be Epoxy coated and P.P.Partition between two Phases. : 1 No.
  • Suitable rating Heat Exchanger : 1 No.
  • Circulating Pump 1 HP with control : 1 No.
  • Logic Panel


Additional Information:

  • Item Code: LSR

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Grid Resistance Regulator
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GRR consists of forced air cooled grid resistance to control the speed control of slip ring motor. When resistance is inserted in the rotor circuit of the slip ring motor; the torque-speed characteristic of the motor is stretched towards left. This decreases the slop of the stable region of the characteristic. The load equilibrium point gets disturbed and stabilizes at new point at lower RPM and the same load torque. Thus by increasing the external rotor resistance speed of the motor can be decreased practically up to 50% of the rated speed. The GRR is very useful for controlling the speed of the fan. If air flow is controlled by damper then at lower flow requirement there is wastage of power. This power can be saved by using GRR to a considerable extent.

 

Number of steps and Resistance in each step for the controller are selected according to % of speed regulation required, Rated speed, Rotor Voltage and Rotor Current of the motor. Resistance is adjusted using combination of resistors through contactors. Fans are used to cool the resistors. Control can be achieved from remote using 4-20mA current according to process requirement using PLC.  

 Specifications:

 

 Control can be achieved from remote using 4-20mA current according to process requirement using a PLC.

Step indicator is provided on the control panel for easy local monitoring and controlling.

Fans are provided to cool regulator from excessive heat

 

Features:

 Temperature Resistance

Compact design

Easy to operate

 

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Speed Regulator
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Speed Regulator

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L.T. 440V / HT 6.6 kV Three Phase 50 C/S Ac Supply I L. T. 440v700/ Ht 6600v H.p 2000 Ac Supply Motor Operated Speed Controller.

The modification of the rotor-starter is the speed regulator. The Resistances are designed for continuous duty. These may be of Cast Iron Grid type or Wire Wound or Punched S.S. Grid type according to current ratings.

They are designed with utmost care and experience. Speed Regulators are designed upto 3000 HP. or above

The speed regulators can be supplied with
:

  • Hand Operated type
  • Motor Operated type/ Manually operated
  • Contractor type with Logic System


We are also specialized in making, sequence control panels.  Crane Control Panels. Lastly but not the least we can offer all type of resistance Panels.



Additional Information:

  • Item Code: GRR

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