Tender For supply of electrical and electronics engg. lab equipments - symmetrical and unsymmetric al faults of transmission line, testing of hrc fuse and mcb overcurrent trainer, relay, vcb trainen, three phas air circuit breaker (acb) trainer, differential relay trainer transformer kit for, generator protection relay trainer kit, dc servo position control trainer kit, ac servo position control trainer kit, stepper motoer, synchro transmitter receiver , ammeters mi type, voltmeter mi type, wattmeter single phase/three phase , three phase power factor meters , automatic power factor controller, low power factor wattmeter single phase , lux meter, digital/energy meter shunt multiplier, current transformer potential transformer, model of mi mc, dynamomete rand induction type meters, lcr/q meter hand held type, soldering iron synchroscop je frequency, clip-on meter, electrical and electronics tools, three phase, squirrel cage induction motor (cut section model), shp three phase ac slip ring induction motor trainer, dc shunt motor-alternator set, basic wiring tools, solar cell experiment setup, spv stand, main rack, brushless dc motor trainer kit, dual power supply, multimeter, lcr meter, cathode ray oscilloscope, function generator, signal generator, digital ic tester, analog ic tester, smd soldering equipment, cables/connectors, television set, television set, projector, maintenance kit, tools, vacuum cleaner/blower, components, microwave test bench, klystron power supply, microwave test bench-x, vswr meter, frequency meter, pin modulator , dso, dc regulated power supply, synchro transmitter and receiver trainer kit, servo motor, on-off control kit, temperature sensor, pi controller kit,, temperature sensor, pd controller kit, temperature sensor, pid controller kit, temperature sensor, plc, digital multimeter , routers, repeater, hub, switch, connecting cables and connectors, network bridge, null modem.cable , microcontroller trainer kit, cro, stepper motor, 7-segment led display, trainer board, trainer board, trainer board, microcontroller board, sensors, digital multimeter and micro-ammeters a, dual channel cro, passive components, resistor, variable inductor, potentiometer, digital multimeter, true rms multimeter, dual channel cro, dc regulated power supply, scr, dc regulated power supply, thyristor kit, resistive load, resistive- inductive load
Tender For corrigendum : supply of electrical testing instruments : : - current and potential transformer analyser , high voltage insulation oil automatic testing device , circuit breaker analyser , automatic relay test kit , portable partial discharge detector , capacitance and tan delta meter , battery impedance test set
Tender For bid to ras annual repair and maintenance of sub station : : - replacement of 1 kg silica gel breather metal body type , replacement of transformer oil 120 ltr , labor charges only for indoor 400 kva transformer and oltc stream line high vacuum oil filtration and dehydration of site off load 3 circulation 700 plus 210 ltr i.e 910 ltr x 2 i.e1820 ltr , breakdown voltage test transformer and oltc before and after test 4x2 i.e 8 nos , acidity test transformer and oltc before and after test 4x2 i.e 8 nos , testing of buchholz air relay testing 2 transformers , olts servicing drainage of old oil 210 ltrs , moving , fixing contact alignment , rolling contact testing in servicing. carbon rust cleaning and refitting the same , transformer buchholz relay and pipeline planch oil leakage arresting drainage of old oil , new gasket fixing oil leakage arresting refitting the same. topping of oil level , transformer h. t and l. t cable box ht and lt cable megar testing , transportation to bring testing kit to the site to and fro , and site halting charges , earth electrode testing , lt acb servicing and testing charges , ht vcb incoming outgoing transformer 1 and 2 serving and testing , auxiliary relay testing , high speed tripling relay test
Tender For power electronics lab equipments - power elctronics lab equipments, line synchronized ramp trigger circuit using ujt with ac load to measure firing angles kitujt relaxation oscillator circuit, provision to add dc pedestal voltage to the capacitor in the circuit, triggering circuit fo r2scrs using pulse transformer, measure the phase angle of load, 24v lamp ac load using 2scrs, builtin power supply, scr commutation circuit kit" provision to charge the capacitance which will be used for voltage commutation, built in power supplies , class a,b commutation circuits", single phase to single phase cyclo converter kit"cyclo converter with divide by 2 supply frequency and divide by 3 frequency, +ve and ve polarity zero crossing detectors using optocouplers, decade counters to generate required control signals, isolated 4nos. of dc power supplies to trigger the scrs, triggering circuits to trigger the power scrs, power circuit using center tapped transformer, power circuit using 4scrs and12v-0-12v power transformer and resistive load, built in power supply", pwm based step down dc chopper using mosfet/igbt kit"pwm ic controller-based step down chopper, output voltage vs dutycycle, load characteristics without feedback, load characteristics with feedback, output voltage vs input voltage with feedback, built in power supply", single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kitsinglepulse 50 hz clock generation, variable duty cycle generation on both half cycles, h bridge power circuit using 4nos. of mosfets, 4nos. of individual power supply for gate trigger circuit, built in power supply, on / off control of lamp using solid state relay kit"input switch to control the lamp on/off using solid state relay, one ssr module to test with lamp load, builtin power supplies", speed control of ac motor using vfd drive"adjustable v/f curve and vector control, keypad and external control of ac motor, builtin modbus (rs-485) pc communication ,suitable for 2hp motor", lamp dimmer circuit using triac kit"variable ac power circuit using triac, diac circuit to trigger thetriac in both half cycles, provision to vary the charging time of capacitor, (changing the phase angle also)for the diac"
Tender For corrigendum : supply of intelligent multi-criteria detectors for upgradation of fire protection system , manual call point for upgradation of fire protection system , zone monitoring unit for upgradation of fire protection system , monitor module for upgradation of fire protection system , relay module for upgradation of fire protection system , loop powered remote hooters for upgradation of fire protection system , repeat response indicator for upgradation of fire protection system , fas control panel having 8 loop capacity with redundant cpu , zone indicating panel for upgradation of fire protection system , fire alarm control panel having 2 loop capacity with single controller , lcps -bare cabinets for upgradation of fire protection system , standalone ac to dc psu-smps for lcps for upgradation of fire protection system , hand- switches, push buttons, indicating lamps for upgradation of fire protection system , loop powered-cpu motherboard- backplane- bus powered relay modules with at least 8 change over contacts for upgradation of fire protection system , spares for fas control panel min. one type of each card or 10 percentage whichever is more standalone psu etc. , spares for relays other loose components and modules. for upgradation of fire protection system , test meter for smoke detectors , smoke detector removal tool kit with 6 m collapsible-concentric rod , smoke detector testing tool kit , aerosol gas cans 250 ml , heat detector tester , 1 pair 1.5sq. mm overall shielded hrpvc insulated frls pvc sheathed un-armoured cable for upgradation of fire protection system , 5 pair individually shielded 1.5sq.mm hrpvc insulated frls pvc sheathed unarmoured cables for upgradation of fire protection system , 10 pair individually shielded 1.5sq.mm hrpvc insulated frls pvc sheathed unarmoured cables for upgradation of fire protection system , 19 mm flexible gi conduit for upgradation of fire protection system , supply of 25 mm rigid hot dipped gi conduit including accessories , supply of nickel plated double compression brass cable glands , other accessories mcbs sealing compound etc , installation and commissioning of the system for upgradation of fire protection system