1.Overview
The DLWD-DJ21 Electrical motor and transformer comprehensive experimental device is an equipment to well understand the working principle of single phase transformers and three phase transformers. Students can build different circuit and experiments with the transformers and motors. The transformer training system also equipped with measuring meters to measure the voltage and current.
System function
-Performance the experiments of motor drive
-Performance the experiments of single transformers and three transformers.
-Test the experiments with instruments and meters.
-Equipped with timer & alarm recorder
2.Training contents
DC motor experiment
-Understanding experiment
-DC generator
-DC shunt motor
-DC motor start: series resistance start, step-down start
-The method of changing the steering direction of the DC motor
-Experiment of DC motor speed regulation characteristics: change the series resistance of the armature circuit, the series resistance of the excitation circuit, and reduce the armature voltage
Single-phase transformer experiment
-Single-phase transformer ratio K
-Single-phase transformer no-load experiment, measuring transformer no-load data IO, PO and UO.
-Single-phase transformer short-circuit experiment, measuring transformer short-circuit data UK, IK and RK.
-In the single-phase transformer load experiment, the transformer load data UZ = f(IZ) was measured.
Three-phase transformer experiment
-Determination of the polarity of three-phase transformer windings
-Determination of three-phase transformer connection group
Asynchronous motor experiment
-Test of stator resistance of three-phase squirrel-cage asynchronous motor
-Three-phase asynchronous motor no-load experiment: measure the voltage U0, current I0 and three-phase power P0 at no-load, and draw the no-load characteristic curve
-Short-circuit experiment of three-phase asynchronous motor: measure the voltage UK, current IK and power PK during short-circuit, and draw the short-circuit characteristic curve
-Calculation of parameters of three-phase asynchronous motor
-Mechanical characteristics of three-phase asynchronous motors under various operating conditions
-Control of three-phase wound motor
-Three-phase winding motor rotor series resistance speed control
-The three-phase synchronous generator adjusts the speed to control the power generation output
-The three-phase synchronous generator adjusts the excitation voltage to control the power generation output
