ST2712 Power Electronics Lab Technical Specifications

ST2712 Power Electronics Lab Technical Specifications
ST2712
Power Electronics Lab
Innovative Technology Ecosystem
Technical Specifications
ST2712 Power Electronics Lab is used to perform all the power
electronics circuit experiments. It is very useful in power
electronics laboratory for performing power experiments in
colleges and universities. It is very useful for student to know
about the characteristics of power electronics devices and the
applications of power devices. The applications of power
devices are in alarm circuit, lamp flasher, rectifiers, choppers,
inverters. It is also used for commutation circuits.
Power Electronics Lab comprises of following blocks.
DC supply l
AC supply l
Triggering circuit l
Pulse amplifier
and Isolation transformer l
Pulse transformer section
l
Single phase rectifier firing circuit l
SCR assembly
l
Load section l
Power component section
l
Self contained & easy to operate
¨
Functional blocks indicated on board mimic
¨
Solder less breadboard
¨
On Board DC power supply
¨
On board AC power supply
¨
Onboard pulse generator with PWM control, frequency
¨
control and duty cycle control
On board single phase rectifier firing circuit with firing
¨
angle control
On board power electronics main devices
¨
On board pulse amplifier and isolation transformer
¨
On board variable load and circuit components
¨
Ready to use boards
n
Study of
the V-I characteristics of SCR
n
Study of the V-I characteristics of UJT
n
Study of the V-I characteristics of MOSFET
n
Study of the V-I characteristics of IGBT
n
Study of the V-I characteristics of DIAC
n
Study of the V-I characteristics of TRIAC
n
Study of the V-I characteristics of PUT
n
Study of the SCR triggered by 74121IC
n
Study of the SCR triggered by Op-Amp 741IC
n
Study of the UJT relaxation oscillator
n
Study of R, RC (half wave & full wave) triggering circuit
n
Study of the SCR triggered by UJT
n
Study of the SCR triggered by 555IC
n
Study of the SCR triggered by PUT
n
Study of the SCR triggered by 74121IC
n
Study of the SCR triggered by Op-Amp 741IC
n
Study the operation of lamp flasher using SCR
n
Study the operation of SCR alarm circuit.
Size of Breadboard : 172.5 mm × 128.5mm
DC Power Supply on board:
+5 V, -5 V 500 mA,
+12V, -12 V 500 mA
+15 V, 250 mA
+35V, -35V, 250 mA
AC Power Supply on Board :
18V-0V-18V
0V-15V
Triggering Circuit on Board: 5 gate signal output.
Frequency range : 30Hz to 900Hz Variable
Amplitude : 12V
PWM control of G1, G2, G3 and G4
Duty cycle control of “Gate”
Signal is 0 to 100%
Single Phase Rectifier : Firing angle control 0 º-180 º variables
Firing Circuit on Board Four gate signal output with isolation.
SCR Assembly : 4 SCRs 2P4M, 600V, 2A
Power Devices : IGBT-G4BC20S, MOSFET-IRF Z44N,
UJT-2N2646, DIAC-DB3, TRIAC-BT136, PUT-2N6027
Circuit Components on Board : Electrolytic Capacitor 10uF, 63V
Electrolytic Capacitor 1uF, 63V Met. Capacitor 0.33uF, 63V
Diode 1N4007, Inductor 220uH, 4.7uH, 10mH.
Pulse transformer on Board:
2 nos. PT4502 1:1 and one is PT4503 1:1:1
Load selector : 6 load resistances- 47E/7W, 1K/1W, 1K/10W,
10K/10W, 120E/5W, 2K2/2W.
Test points : 10 nos.
Mains Supply : 230 V ±10 %, 50 Hz . 60 Hz on request
Dimensions (mm) : W 365 × D 260 × H 125
Weight: 5 Kgs. (Approx).
Fuse : 1A
Accessories : Patch cords, multimeter, breadboards, power cord,
operating manual
Scope of Learning
n
Study of
the V-I characteristics of SCR
n
Study of the V-I characteristics of UJT.
n
Study of the V-I characteristics of MOSFET
n
Study of the V-I characteristics of IGBT
n
Study of the V-I characteristics of DIAC
n
Study of the V-I characteristics of TRIAC
n
Study of the V-I characteristics of PUT
n
Study of the class A commutation circuit
n
Study of the class B commutation circuit
n
Study of the class C commutation circuit
n
Study of the class D commutation circuit
Study of the class F commutation circuit
n
Study of R, RC (half wave & full wave) triggering circuit
n
Study of the SCR triggered by UJT
n
Study of the SCR triggered by PUT
n
Study of the SCR triggered by 74121IC
n
Study of the UJT relaxation oscillator
n
Study of the ramp and pedestal triggering circuit with anti-parallel
SCR in AC load
n
Study of the voltage commutated chopper
n
Study of the current commutated chopper
n
Study of the series inverter
n
Study of the Bedford inverter
n
Study of the single phase PWM inverter using MOSFET and IGBT
n
Study of the half wave controlled rectifier with R and RL load
n
Study of the Full wave controlled mid-point rectifier with R and RL
load
n
Study of the fully controlled Bridge rectifier with R and RL load.
Technologies Pvt. Ltd.
94-101, Electronic Complex, Pardesipura, Indore- 452 010 India. Tel.: 91-731-2570301/02, 4211100, Fax : 91-731-2555643
Website : www.caddo.bz, www.scientech.bz, E-mail: [email protected]
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