Tender For procurement of acbs and other auxiliary spares of lnt make at sayyed nangloi sewage pumping station. (reinvited) - procurement of air circuit breaker (acb), 3 pole, 415v, breaking capacity-60ka, current rating capacity 2500 amp, edo type with microprocessor release. make: lauritz kundsen (l&t), procurement of air circuit breaker (acb), 3 pole, 415v, breaking capacity-50ka, current rating capacity 1250 amp, edo type with microprocessor release. make: lauritz kundsen (l&t), procurement of under voltage release 240v ac make: lauritz kundsen (l&t), breaker control switches (trip - neutral - close) make: lauritz kundsen (l&t)
Tender For supply, fitment, installation, commissioning and testing of electrical variable voltage variable frequency ac drive rating-15kw/11kw, 3-phase 380-480 vac 50/60 hz, dc power supply: 510-680 vdc (cimr- ad4a0031fma).nominal input current (nd):24 amp. nominal input current (hd): 31 amp. output power rating (nd):15kw.output power rating (hd):11kw.frequency control range: 0-400hz.motor power-15kw/11kw.emc filter class c2 integrated. braking of standstill by dc injection. salient features: operation mode selection ,dc injection braking and short circuit braking ,speed search ,delay timer, pid control ,dwellfunction ,energy saving, acceleration and deceleration times ,slip compensation, torque compensation ,carrier frequency, frequency upper/lower limit torque control ,jump frequency. main control functions: torque control , drop control speed/torque control switch, feed forward control, zero servo control, momentary power,loss ride- thru and speed search, over torque detection, torque limit. speed control range : v/f control 1:40, open loop vector control 1:200, open loop vector control for pm 1:20, closed loop vector control for pm 1:1500, v/f control with pg 1:40 ,closed loop vector control 1:1500, advanced open loop vector control for pm 1:100. output overload tolerance: nd rating: 120% of rated output current for 60s, hd rating: 150% of rated output current for 60 s (derating may be required for repetitive loads).protection design: ip00 open-chassis, ul type 1 enclosure. ambient temperature (open-chassis): 10 to +50 degree celsius. standard compliance: ul508c iec/en61800 iec/en61800-5-1 ,two safe disable inputs and 1edm output according to iso/en13849-1 cat.3 pld iec/en61508 sil2. make: yaskawa /schnieder /abb/siemens/mitshubishi/angel or similar. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For corrigendum : supply of spares of push button actuators and its accessories for switchgear ,control panels of 210 mw atps mppgcl chachai. - push button actuator with carrier & contact element – non illuminated (metallic series) : 22.5mm, mushroom head 40mm (press to lock, turn to release), colour – red, push button actuator with carrier & contact element – non illuminated (metallic series) : 22.5mm, mushroom head 40mm (key to release), colour – red, flush spring return push button actuator with carrier & contact element – non illuminated ( metallic series) : 22.5mm, colour – red, flush spring return push button actuator with carrier & contact element – non illuminated ( metallic series) : 22.5mm, colour – green, projecting push button actuator with carrier & contact element – non illuminated ( metallic series) : 22.5mm, colour – red, projecting push button actuator with carrier & contact element – non illuminated ( metallic series) : 22.5mm, colour – green, flush illuminated push button actuators with integral circuit led suitable operation at 240v ac ( metallic series) : 22.5mm, colour – red, flush illuminated push button actuators with integral circuit led suitable operation at 240v ac ( metallic series) : 22.5mm, colour – green , 2- position illuminated selector switch knob actuators suitable for operation at 240vac with series resistor : 22.5mm, 2- position non iilluminated selector switch knob actuators suitable for operation at 240vac with series resistor : 22.5mm, 2- position non illuminated selector switch key actuators suitable for operation at 240vac with series resistor : 22.5mm, contact element 1no suitable, accessories for push buttons, contact element 1nc suitable, accessories for push buttons, reset extended push button ( round type), accessories for push buttons, body/ carrier with mounting screw (passivaed) for making different assemblies, accessories for push buttons, metal adopter for 30mm hole to 22.5 mm, accessories for push buttons, enclosure/assembly with 01 mushroom (twist to release) + 01 flush actuator (on/off) with canopies, material - die cast aluminium/ sheet metal/ stainless steel, enclosure/assembly with 01 mushroom (twist to release) + 01 flush actuator (on/off) with analog ammeter, material - die cast aluminium/ sheet metal/ stainless steel, enclosure/assembly with 01 mushroom (key to release) + 01 flush actuator (on/off) with canopies, material - die cast aluminium/ sheet metal/ stainless steel, enclosure/assembly with 01 mushroom (twist to release) actuator, material - die cast aluminium/ sheet metal/ stainless steel, enclosure/assembly with 01 mushroom (key to release) actuator, material - die cast aluminium/ sheet metal/ stainless steel, enclosure/assembly with 02 flush actuator- red & green, material - die cast aluminium/ sheet metal/ stainless steel
Tender For supply of control card-a001, part no: sp001210, make: kempp , control card a001 msf-55, part no: sp001221, make: kemppi , main circuit card z001, part no: sp600510, make: kemppi , panel, sf 53w - kemppi, part no: 6085300w
Tender For purchase of lab equipments for ice dept - purchase of lab equipments for ice dept, i/p and p/i converter (iemcode:g002) i/p converter:(4 20) ma to (3 15) psi conversion. p/i converter:(3 15) psi to (4 20) ma conversion. air filter regulator (afr):20 psi regulated air supply. built-in current source. 3 digit led display for process indication. power supply: 230 v ac, 50 hz. mounting:bench-top / panel-mounted trainer configuration., level measurement using float and sight glass indicator- itemcode: g005specifications: sight glass level indicator. float type level indicator. power supply:230 v ac, 50 hz. monoblock pump:0.5 hp / 1 hp. sump tank., 8051develop ment board with usb/rs 232 cable to connect with computer (item code: g008)specifications: communication interface:usb / rs-232. on-board facilities:8 output leds,8 input switches,ldr,reed switch,8-bit adc,8-bit dac. display interfaces:seven-segment display,16 2 lcd interface. motor interfacing:stepper motor with driver,dc motor with h-bridge driver, 8 bit adc/dac interface board (item code: g009)specifications: thermistor / lm35 input in one channel. variable input (0 5) v in another channel. 8 leds for digital output indication.. necessary control signals provided for adc0809. 8-bit dac using dac0808. 8-bit digital input from controller. single-channel dac output:(0 10) v. power supply: 12 v or 15 v for analog circuitry, water level measurement trainer kit using capacitive type transducer (item code: g020) tabletop model with transparent acrylic tank of approximately 50 cm height. capacitive type level sensor for continuous level measurement. sensor output: (4 20) ma and/or (0 5) v with built-in signal conditioning. vertical pump for water circulation from sump to tank. flow control valve, overflow, and drainage arrangement. digital display for water level indication in cm. power supply: 230 v ac, 50 hz, single phase. in-built regulated dc power supply for sensor and control circuit. mounted on powder-coated ms frame for laboratory use. suitable for calibration and study of capacitive level measurement., flow measurement using electromagn etic flow meter(item code: g021)specifications: medium: water (salt water / bore well water). electromagnetic flow measurement: instantaneous flow rate and totalized flow indication. electromagnetic flow meter: integral mounted type. power supply: 90 260 v ac, 50 hz. minimum media conductivity: 15 s/cm. flow rate unit: m /hr. operating pressure: up to 10 kg/cm . electrode material: ss-304 / ss-316 / ss 316l. lining material: ptfe / neoprene / hard rubber / pfa. line size: 15 nb 25 nb. flow range: 0.1 10 m /hr. connection type: flanged. display: digital indication for flow rate and totalized flow. water pump: submersible type, 230 v ac, 50 hz. water tank: approximately 20 25 liters capacity. flow control valve provided. drain valve and overflow arrangement provided. mounted on powder-coated ms frame suitable for laboratory use.
Tender For purchase of equipments ( s.no 1 to s.no 2 ) for eee department - purchase of equipments, 3 phase power rectifier3 phase power rectifier 100a (motorized) cubicle panel type 440 v ac, 3-phase input / (0 300 )vdc variable output 3-phase isolation transformer-20kvathyristor rating: current rating: 300 a piv rating: 1500 vsuitable heat sink arrangement provided- 6-pulse fully controlled bridge rectifier using scrs overload protection and necessary panel instruments (ammeter,voltmeter) with motorized dimmer statand automatic controlshort-circuit protection,thermal protection,emergency stop., single phase single pule sinusoidal pwm inverter using mosfet / gbt kittype : single phase pwm inverter trainerpower device : mosfet / igbt based inverter circuitinput supply : 12 24 v dcoutput voltage : 30 v rms acoutput phase : single phaseoutput frequency: 0 50 hz variableoutput power : 100 wsingle pulse pwm operationsinusoidal pwm (spwm) operationvariable frequency controlpwm generation and firing control circuit inbuiltgate driver circuit provided test points provided for waveform observation and analysisbuilt-in resistive load provisionsuitable for dismantling and reassembly
Tender For purchase of equipments ( s.no 1 to s.no 5 ) for ece department - purchase of equipments, dso (digital storage oscilloscope) bandwidth: 50 100 mhz. sampling rate: 1 gs/s. channels: 2 (minimum). power supply: 100 240 v ac, 50 60 hz. automatic measurements: vpp, vavg, vrms, frequency, period, vmax, vmin, rise time, fall time, +width, width, +duty, duty, etc. horizontal scale: 5 ns/div 50 s/div or equivalent. vertical resolution: 8 bits (2 channelssimultaneously). vertical sensitivity: 1 mv/div 10 v/div (at input). waveform math: +, , , , invert, fft, etc. waveform storage: 16 waveforms or equivalent. communication interface: usb host and usb interface. display: 7-inch color display or equivalent. input impedance: 1 m 2% || 20 pf. accessories: 2 passive probes (1x/10x), 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., embedded trainer kit (using lpc 2148) cpu - lpc2148, core - 16/32 bit arm7tdmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm & watchdog two uarts (16c550), two i2c (400kb/s), two spi eight bit digital output, eight bit digital input,16x2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay& buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connector and usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board power cord, user manual, strain guage trainer kit ac mains power supply: 230 v 10%, 50 hz metal foil strain gauge mounted on beam/cantilever. strain measurement under applied load. wheatstone bridge arrangement. signal conditioning and amplification circuit. instrumentation amplifiers with 3 digit display for strain / output voltage. zero and gain adjustment controls. provision for applying calibrated loads. table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords and user manual., sim reader trainer kitpower supply: operates on 230 v ac 10%, 50 hz mains supply. built-in regulated smps power supply. operating dc supply: 5 v / 12 v with overload and short-circuit protection. sim card interface: supports gsm sim cards compatible with 2g /3g / 4g / 5g networks. sim card read/write interface. supports sim card initialization, authentication,and communication functions. compatible with standard 6-pin / 8-pin sim cardsockets.communication interface: usb 2.0 interface for pc communication. rs-232 serial communication interface. uart communication facility for embeddedsystem interfacing. sim operating parameters: selectable sim clock frequencies: 3.579 mhz 7.159 mhz 14.318 mhz sim supply voltage selection facility. sim reset and activation control.supported protocols and standards: gsm etsi 07.07 and etsi 07.05 at commandsupport. iso/iec 7816 smart card communication support. sim communication command monitoring facility.hardware features: on-board sim card socket. led indication for: power status sim detection reset activity data transmission/reception built-in keypad for standalone operation. lcd display module (128 64) for menu andstatus display. on-board microcontroller-bas