Ministry Of Defence-MOD has published Bids Are Invited For Temperature Sensor , 5Mm Thick Acrylic Sheet 4 X 4 , Capacitors ( 450 V, 2200Uf ) , Back Emf Protection Circuit From Coil , Current Limiting Circuit ( Lfb 3150R ) 80 - 150 Amp , Velocity Measurement Circuit With Hall Affect . Submission Date for this Tender is 24-09-2021. Electrical Products Tenders in Telangana. Bidders can get complete Tender details and download the document.
Sl. No. | Item Title | Item Description |
1 | Temperature sensor | General purpose used for fixtig the circuit etc. |
2 | 5mm thick acrylic sheet 4" x 4" | Barrel mounting plates (Square block through which barrel is mounted) |
3 | Capacitors (450 V, 2200uF) | Capacitor for instant high discharge |
4 | Back EMF protection circuit from coil | Circuit board at individual coil stage for protecting reverse current from coils when triggered |
5 | Current limiting circuit (LFB 3150R) 80 - 150 Amp | This is current adjusting circuit board at booster circuit board |
6 | Velocity measurement circuit with hall affect sensor | Hall effect sensor used for measuring projecting velocity at end of barrel |
7 | Tripod stand for gun | Gun Mounting stand with holder |
8 | Copper wire 2 AWG | Copper wire for coil stage |
9 | Aluminium metal for Gun structure fabrication. | Fabrication required material for gun structure development |
10 | High voltage DC, DC booster 12V to 450V | DC to DC booster circuit board |
11 | Opto isolators PC817, 2N35 | Opto isolation for triggering the thyresistor device for coils |
12 | Diode 30KPA-HRA | Diode for uni direction voltage flow, each stage 2 we need and other at booster circuit board |
13 | PBT2 Connectors | Terminal connectors used for plugging the wire of high voltages |
14 | Multi Purpose PCB Board (Dotted PCB) | Multi Purpose PCB for soldering circuits |
15 | Trigger switch | General purpose switches for circuit o / off etc |
16 | Connecting wire 7 AWG, 14 AWG | Connecting wire 7 AWG, 14 AWG |
17 | Microcontroller development board with ESP32 MCU | ESP 32 Wroom MCU development board or triggering coils, reading IR sensor inputs, voltage controlling capacitor bank |
18 | Iron Material Projectile (10mm dia, 50 mm length) | Projectile developed in CNC milling |
19 | DC to DC buck Converters circuits | Buck Converter used to regulate the voltage from 14.4V to 3.3V for microcontroller board, IR sensors, other devices |
20 | Battery Charger for project | SMPS 16V/10A used to give input power supply to BMS for charging the cells (one SMPS used for two set of batteries) |
21 | Soft iron metal Barrel | Fabrication of plastic ABS barrel with 3D printing |
22 | 100 Amp peak thyresitor (part of charging cct) | Thyresistor for switching the copper coil stages |
23 | LM 358 comparator for sensor. | IR sensor circuit at individual stages |
24 | Oled display unit 1.3 inch | Oled display for showing display parameters, other display for capacitors bank voltage showing |
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