Power Electronic Trainer Dealers

Objective      : To study Char. & applications of  Diac, Triac, UJT & SCR   Applications :           1.   Characteistics of   Diac                                      2.   Characteistics of   Triac                                      3.   Characteistics of  UJT                                       4.   Characteistics of  SCR                                      5.   Characteistics of  Diode                                      6.   Study of  UJT as  Relaxation Oscillator.                                      7.   Light Intensity control using SCR                                      8.   Light Intensity control using TRIAC                                      9.   Study of SCR Triggering Circuits.                Features       :  It has built in two dual dc regulated power supplies 0-5/15 volts and                                  0-20/40 volts dc., four analogue meters are provided on front panel                                  to measure the DC voltage and current,  AC supply of  0-17-34 V                                  volts are also provided, Electric bulb of 12 volts 18 watt., Load                                  resistance 100 ohms to 1000 ohms, Fixed resistance R1 = 1K W,                                    R2 = 2.2K W , R3 = 10K W  are provided for different uses,                                  Potentiometer of 22 K ohms are is provided for intensity control                                  applications. 

Salient Features Power Semiconductor Application Experiment panel SCR Converters Advanced firing Schemes SCR forced Commutation Techniques SCR based Inverters Cycloconverter SCR based Chopper SCR Triggering Schemes dv/dt behaviour of SCR

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The Power Supply Trainer NV6003 is a comprehensive training system for the laboratories. It is useful in understanding the various concepts of a DC Power Supply. As we know that power supply is a very basic element of any electronic circuit or appliance. Starting from a mobile charger to a huge Computer system, each needs an efficient Power Supply. It is essential for an engineer to know basic concepts of Electronic Power Supplies. This trainer describes the Transformer, Rectifiers, Filters, Regulators, Role of Bleeder resistor, Load and Line regulation etc. While performing any experiment students have to connect the links by patch cords so it is very helpful for students to learn the inputs and NV6003, Power Supply Trainer is an ideal platform to enhance education, vocational training, skills & development amongs our young minds. Product Features Real time appearance of components Test points are provided in different sections of Power Supply Demonstration bridge Designed by considering all the safety standards Provided with a detailed Operating manual Low cost yet including many experiments Scope of Learning Study of Transformers and its working Study of Two diode Full Wave Rectifier Study of Full Wave Bridge Rectifier Study of Demonstration Bridge Study of Ripple Factor and to calculate Ripple Factor of Half Wave, Full Wave and Bridge Rectifier Study of LC and  filter Study of Bleeder Resistor and its effect on load current Study of Zener Diode as Regulator Study of Positive Regulated Supply Study of Negative Regulated Supply Study of Adjustable Regulated Supply Study of Line Regulation Study of Load Regulation

Power Electronics Lab is used to perform power electronics circuit experiments. It is very useful in power electronics laboratories for performing power experiments in colleges and universities. It is very for student to know about the characteristics of power electronics devices and the applications of power devices. The applications or power devices are in alarm circuit, lamp flasher, rectifiers, choppers, inverters. It is also used for commutation circuits.

Power electronics is the branch of electronics which deals in equipment integrated by switching circuits used to control both alternating and direct currents. This domain of electronics and electrical engineering is directly involved in research, design and implementation of non liner, time-varying, energy-processing electronic systems. The family of discrete components used in semiconductor switching devices in power electronics can be listed as diodes, transistors and thyristors (Silicon Controlled Rectifier (SCR), Gate Turn-Off Thyristors, Insulated Gate Bipolar Transistors (IGBT), Gate-Commutated Thyristors). Our power electronics lab equipment and training kits are specifically designed while keeping in mind all these pre-discussed basic components.

STUDY OF SCR CHARACTERISTICS  Or (Mosfet Characteristics) (LGS PE-1)The set up comes in to parts with provision for high voltage variable power supply (0 to 500 volts), 0 to 10 volts with voltmeter and provision for gate current measurement, anode current measurement in the range of 0 to 10 mA. The part (A) houses variable power supply and part B provides facility to connect various SCR or MOSFET,diac,triac,IGBT along with load. Various characteristics of the device with measurement of latching current, holding current for SCR can be performed. STUDY OF SCR FIRING CIRCUITS: (LGS PE-2)Study of SCR firing circuits can be done with the help of five methods namelyi) Basic D.C. firing circuit.ii) Resistance firing circuit.iii) R-C phase shift-firing circuit.iv) Ramp and pedestal with anti parallel connected SCRs circuit.Scope of supply:This set up having top anodized plate, with printed circuit diagrams, includes ammeter & voltmeter for load current & voltage measurement.Panel Dimensions:1. 61cm(L) 40cm W), 10cm(H)2. Panel provision3. Facility for observation of waveforms on C.R.O. 4. Provision for varying firing angle of SCRs.5. Load control facility.6. Appropriate test points are provided on panel. JONES CHOPPER (LGS PE-3)30 V d.c. 1A fixed power supply for the chopper and d.c. Voltage is chopped down by main thyristor and commutating thyristor for variation of output from voltage of 5 to 25 volts b varying the on time control and frequency control of the chopping frequency circuit of the main thyristor. Optional analog voltmeter provided for measurement of output voltage. Appropriate test points provided. Size: 52 * 31*10cm (L*B*H) MORGAN’S CHOPPER (LGS PE-4)A fixed d.c. Voltage of 30 volts provided for the input of chopper and the same is chopped down to vary from 5 to 25 volts by a single thyristor and resonating L-C circuit. Variable load facility provided. The frequency of chopping also can be varied. Waveforms can be observed with the test points provided on the panel. It is a self-contained unit. Panel size:52*31*10 CM.(L*B*H)

Power Electronics trainer is modular type circuits on glass epoxy PCB as front panel. The circuit layout is printed on the glass epoxy PCB with high quality printing. Test tags are provided to observe the waveforms and voltages. LED indicators are provided on each input and output of logic blocks to observe the instantaneous logic level. 2 mm holes test points ( multimeter cord compatible ) are provided at all the points where voltages has to be measured. Built in DC regulated power supply is provided making the kits suitable for operation at 230V AC.

Covers different power electronics devices i.e Thyristors, On-board passive and active components, External AC DC Power supply, On board variable DC SUPPLY.

AnalogLinear IC Trainer Kit: Breadboard, 555, 741, 723, 565 & allied components Digital IC Trainer Kit: 16 pin, 20 pin, 28 pin, 40 pin ZIF sockets, Breadboards with 2mm sockets, 4mm terminals & BTI-15 terminals Decade Resistance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Inductance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Capacitance Box-4, 5 & 6 dials with 1% and 3-5% tolerances

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