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Control of Electrical Machines Lab
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Control of Electrical Machines Lab

Control of Electrical Machines Lab

1.Thermal overload relay timing characteristics
  • Provision to wire and test the overload relay timing characteristics
  • 3 phase input, Fuses
  • Start and Stop Push Buttons
  • One no. 3 phase, 16A Main contactor
  • One no. 1.5A – 2.5A Overload relay
  • Provision to connect 3 phase load externally
2.Single Phase Preventer
  • Provision to wire 3 phase input and connect 3 phase 3 HP induction motor with single phase preventer circuit
  • 3 phase input and fuses
  • Single phase preventer circuit using 3 transformers
  • Test switches for any phase failure
  • Start and Stop switches
  • One no. 3 phase, 16A Main contactor
  • Provision to connect 3 phase 3 HP motor
3.Working module for wire and test the control for jogging in 3 HP cage motor
  • Provision to wire normal on off control and Jog control of 3 phase motor
  • One no. 3 phase, 16A Main contactor
  • 1 no. control relay
  • 3 phase input, Fuses
  • Start , Stop and Jog Push Buttons
  • Provision to connect 3 phase, up to 3HP induction motor externally
4.Control circuit for forward – reverse operation for cage motor
  • Provision to wire control circuit of forward and reverse operation to PLC
  • Provision to wire 3 phase, 440V, 3HP Induction motor
  • 3 phase input, Fuses
  • Stop, Start Fwd, Start Rev, Push Switches
  • 2 nos. of 3 phase 16A Main Contactors
5.Control circuit for Semi automatic Star Delta Starter suitable for 5 HP
  • Provision to wire control circuit and power circuit of Semi automatic Star Delta Starter for 3 phase, 5 HP induction motor
  • 3 phase input and fuses
  • Start and Stop Push Buttons
  • 3 nos. of 440V, 16A contactors for Main/Star/Delta connections
  • Provision to connect externally 5 HP, 3 Phase induction motor
  • Panel mounted on the MS powder coated stands
6.Control circuit for automatic Star Delta Starter suitable for 5 HP
  • Provision to wire control circuit and power circuit of Fully automatic Star Delta Starter for 5HP, 3 phase induction motor
  • 3 phase input and fuses
  • Start and Stop Push Buttons
  • 3 nos. of 440V, 16A contactors for Main/Star/Delta connections
  • Timer to generate time delay between star and delta connections
  • Provision to connect externally 5 HP, 3 Phase induction motor
  • Panel mounted on the MS powder coated stands
7.Dynamic braking control of AC Motor suitable for 3 HP
  • Provision to wire control circuit and power circuit of dynamic braking of 3 phase 3 HP induction motor
  • 3 phase input and fuses
  • Start and Stop Push Buttons
  • One 3 phase, 440V, 16A Main contactor
  • One single phase 230V, 12A contactor for connecting DC supply
  • Rectifier for DC supply
  • AC timer for operating the dynamic braking of the motor
8.Two speed Pole changing circuit
  • Provision to wire two speed pole changing 3 phase induction motor
  • 3 phase input and fuses
  • Pole 1 Start, Pole 2 start and Stop Push Buttons
  • 2 nos. of 440V, 16A contactors for Pole 1/ Pole 2 connections
  • Panel mounted on the MS powder coated stands
9.SCR Speed Control of DC Motor (3 HP Motor)
  • Provision to wire 0.5HP to 3MHP, 230V DC Motor
  • To wire speed control circuit
  • Single phase input and fuses
  • Rectifier and DC input for field winding of the 230V DC Motor
  • Phase angle control circuit with Potentiometer as speed control pot
  • 230V AC to DC rectifier with MCB switch for DC supply of Power circuit
  • Power circuit with fully controlled bridge using 4 SCRs
  • Variable DC voltage 200V max. output to connect to the armature winding
  • Panel mounted on the MS powder coated stands
10.Automatic Rotor Resistance Starter for 3 phase Rotor Resistance Induction Motor
  • Provision to wire automatic rotor resistance starter for 5HP, 3 phase slip ring induction motor
  • 3 nos. of AC timers to short starting resistance in stages from rotor circuit
  • Provision to connect 3 sets of external resistances in the rotor circuit
  • 3 phase input and fuses
  • Start and Stop Push Buttons
  • 4 nos. of 3 phase 440V, 16A contactors for shorting the starting resistance
  • Panel mounted on the MS powder coated stands
11.Starting resistance for automatic Rotor resistance starter
  • Value of each resistance is about 25 Ohms
  • 3 sets of resistances with each set having 3 nos. of resistance
  • Terminals to connect the resistances

PLC based Control and Maintenance Lab Trainer Kits

1.Allen Bradley Micro 810 PLC Trainer Kit
  • AB Micro810 Controller with 6 digital inputs and 4 digital outputs and 2 analog inputs
  • 6 Digital input switches and 4 Digital outputs with LED indication
  • 2 analog inputs 0-10V variable
  • Provision to connect the inputs and outputs externally
  • 24V operated, built-in power supply, additional 5V, 750mA Power Supply
  • 4 NO contacts of the relays connected at outputs of the PLC and a buzzer
  • Computer connectivity to download the program using USB Port
  • Connected Component Workbench programming software
  • System requirements: I3 processor based system with Windows 7 Environment with service pack 1 or windows 8 OS
2.PLC based DOL Starter with single Phase preventer suitable for 3 HP Motor
  • Provision to wire DOL starter with single phase prevention control circuits to PLC
  • Provision to wire 3 phase HP induction motor with single phase preventer circuit
  • 3 phase input and fuses
  • Single phase preventer circuit using 3 transformers
  • Test switches for any phase failure
  • Start and Stop switches
  • One no. 3 phase, 16A Main contactor
  • One no. overload relay
  • Provision to connect the control wiring to PLC input and output
3.PLC control circuit for jogging and forward – reverse operation
  • Provision to wire Jogging and forward, reverse operation control circuits to PLC
  • Provision to wire 3 phase 3 HP induction motor for jogging and forward and reverse operation
  • 2 nos. of 3 phase 440V, 16A contactors and one no. control relay
  • 3 phase input and fuses
  • Stop, Start Fwd, Jog Fwd, Start Rev, Jog Rev. Push Buttons
  • Provision to connect the control wiring to PLC input and output
  • Panel mounted on the MS powder coated stands
4.PLC based Star Delta Starter suitable for 5 HP Motor
  • Provision to wire control circuit of automatic star delta starter to PLC
  • Provision to wire 3 phase induction motor for automatic starting
  • 3 phase input and fuses
  • Start and Stop Push Buttons
  • 4 nos. of 440V, 16A contactors for Main/Star/Delta connections
  • Panel mounted on the MS powder coated stands
5.PLC based Automatic Rotor Resistance Starter using PLC
  • Provision to wire control circuit of rotor resistance starter to PLC
  • Provision to wire 3 phase, 5HP Slip ring induction motor
  • Provision to connect 3 sets of external resistances in the rotor circuit
  • 3 phase input and fuses
  • Start and Stop Push Buttons
  • 4 nos. of 3 phase 440V, 16A contactors for shorting the starting resistance
  • Panel mounted on the MS powder coated stands
6.Starting resistance for automatic Rotor resistance starter
  • Value of each resistance is about 25 Ohms
  • 3 sets of resistances with each set having 3 nos. of resistances
  • Terminals to connect the resistances

Other Equipments necessary for Control of Electrical Machines Lab

1.Transformer Oil Test Kit
  • Input voltage 230V, Single phase
  • Output voltage 0 – 60KV
  • Test cup, Transparent Hood, interlocking switch
  • HT on switch starting at zero voltage
  • Tripping current: 2.5mm gap – 10/20mA
  • Sample transformer oil
2.Acidity Test Kit
  • to test the acidity of transformer oil