Tender For corrigendum : supply of insulated bolt complete with plain washer,sprin , motor connection box to drg no. 05740030008,var-00 , cranking contactor 72 volts coil es 851036 drg no. 05810030003 , g p relay m21er2 with 72 volt coil to es 851038 .to dr g no 15830030005. , wheel slip relay type m23 er2 with coil es851041 to d rg no 15830030008. , grco m5025ks2 to drg no 25790030001 rev 01 , ground relay m22er2 with coil es851040 to drg no 0 5830030011 , attery switch type m5026ks2 to drg no. 15790030002 , horizontal master controller 700hp spp loco to d etail assly drg 05771030017var 01, mtg arrgt to drg 35770030005 & cam sequence to drg. n o. 37189005198 tyep m38 mc7. , wheel slip relay resistor to drg no 15890030007 , load ammeter shunt as per drg no 37189101006 rev 00
Tender For supply of equipments for industrial drives and control laboratory - list of equipments, voltage current and powermeasurement in single phase accircuitmeasurement of power by using various loads. analog voltmeter 0-300v ac panel mounted. analog ammeter 0-5a ac panel mounted. analog wattmeter 1.5kw ac panel mounted. single digital power monitor to measurepower. single phase ac lamp load 230v/5a 1kw. panel enclosure with iylem front panel withinput/output terminal outlets, construct led circuit with currentlimiting resistor. power source 0-9v variable dc. led 3mm white. led 3mm rgb. variable resistance. pcb mounted with terminal outlets and boxenclosure, construct dc regulated powersupply unitdc power supply circuit with discrete components to assemble and test the voltage and differentwaveforms with transformer,diodes, regulator ic5v/12v dc , pcb and box enclosure, demonstrate the working of mcband elcbdemonstration and testing of mcb and elcb byshort circuit test, earth fault test and load test by usinglamp load. single pole mcb 2-5amps. two pole elcb 30ma. lamp load single phase 5amps. panel enclosure and terminal outlets, logic gate using ics. built-in power supply dc +5 v @ 500 ma. on panel gates : 4 nand gates (7400), 4nor gates (7402),. 4 and gates (7408), 4 or gates (7432) & 6not gates (7404). 5 logic input switches with green leddisplay. 5 logic output red led display. required numbers of patch cords andoperating manual, speed control of induction motorusing vfd. speed control of induction motor by usingvfd ac drive setup with three phase squirrelcage induction motor 0.5hp/220v/1440rpm. this unit consists of delta or equivalentmake igbt based 3-ph v/f drive suitable for0.5hp/230v induction motor.. the ac 1-phase input terminals, motor outputterminals points are brought out on the frontpanel.. a 2pole / 6amps mcb is provided to switchon/off the ac mains supply to the unit andalso for protection.. the drive has the facility to change thefrequency with constant v/f(variable voltagevariable frequency) to vary the speed of theinduction motor since the speed is directlyproportional to the frequency.. voltage, output current, and frequency.. switch for forward and reverse direction ofrotation., direction control of dc motorusing driver ic l293darduino based direction control of dc motor usingl293d driver control which can control a set oftwo dc motors simultaneously in any direction.specification: cpu: atmega328p mcu (dip package). l293d driver circuit dc motor 5v forward/reverse switchessoftware support: arduino idepackage include: trainer kit. usb cable. 12v/1a adaptor 2mm patch cord, lt stepper motor drive kit with digitalcontroller speed control of stepper motor :-this unit is microcontroller based controller circuit toaccurately generates pulses to energize the steppermotor winding in the desired sequence. powertransistor based driver ckt. to drive the stepper motor,2x16 lcd display to set and display the parameters,and able to set the speed of the motor in rpm,number of steps motor can move, direction of rotation forward and reverse direction with half step and full step mode.the stepper motor fitted on the panel andall the connections are brought to a connector. thedial is fitted to the shaft of the stepper motor. theinner dial marking in steps and outer marking indegrees. step angle : 1.80 + / 0.10 3 kg cm = 0.1nm steps per revolution : 200 half step = 0.90.mains operated.
Tender For tender for supply of procurement of spares for mineline make tsu on oem basis - current transformer, sensitive earth leagage relay 50-300 ma with variable time lag with control transformer and suitable cbct, bullet pin 3.3 kv, current transformer for o/l, ht controal plate wiring assly, epoxy resin cast type current transformer, earth on-off isolator, vcb of push button contact element 1nc, el tst puse button contact element 1 no, overload, short circuit & moter protection relay, magnetic over load relay, potential transformer, voit meter for ht side, core balance transformer, neutral earthing resistor, multicore bushing, adaptor, coupler, hv bushing, vcb closing coil assy., vcb shunt trip coil assy., neutral monitoring relay with resistance, vacuum interrupter, ht bushing, earth leakage relay 50-750ma with time lag with cbct, earth leakage relay 50-750ma with me lag with cbct, current transformer, control relay, hrc ht pt fuse 3.3kv, magnetic overload relay for primary side, potential transformer, control relay 110v, core balance transformer, bolted type socket 200a 550v, earth leakage relay 50-750ma with varaible time