Model: DLWD-DJ22-III
Overview of the motor and electrical technology comprehensive training device
This device is one of Dolang’s pieces of comprehensive training equipment that utilizes different hanging boards according to the end user’s various training requirements. The device is applicable across a wide range of training lessons. The front and back side allow two students to work on the device simultaneously. The independent power supplies allow for isolating the two sides and facilitates individual expansion and upgrading as needed.
The comprehensive training device is equipped with a variety of motors as controls and enables students to learn a variety of motor motion controls, operating characteristics and mechanical properties, which is conducive to studying and troubleshooting the motor.
Technical  parameter of the motor and electrical technology  comprehensive training device 
  Input  power: three-phase, five-wire AC 380V±10% 50Hz/60Hz
  Capacity : < 1KVA
  Total dimension : 1930×1170×710mm
Optional  components
   Teaching resourcesSimulation software
 Siemens PLC and frequency converter   Mitsubishi PLC and  frequency converter
  Completed teaching programs: 
  (I) DC  motor experiment
  1. DC series motor experiments
  2. DC series motor operating characteristics, mechanical properties
  3. DC series motor speed control experiments start
  4. DC-excited motor experiments
  5. DC separately excited motor operating characteristics, mechanical properties
  6. DC separately excited motor speed control and reverse start experiment
  7. DC shunt motor experiments
  8. DC shunt motor operating characteristics, mechanical properties
  9. DC shunt motor starting control experimental.
(II) Asynchronous motor experiment
  1. Mechanical properties of three-phase squirrel cage induction motor  measurement
  2. Three-phase asynchronous motor starting and speed regulation experiment
  3. Measurement of mechanical properties of three-phase double speed motor
  4. Three-phase double-speed motor starting and speed regulation experiment
  5. Measurement of mechanical properties of single-phase capacitor start motor
6. Single-phase capacitor start motor starting and speed regulation experiment
(III) Electric Traction control  relay contacts
  1.Forward control circuit of motor ①Point  forward control circuit
  Contactor self-locking forward control circuit
  Contactor with overload protection self-locking control circuit forward
  Point and continuous mixing forward control circuit
  2. Reversible of three-phase asynchronous motor control circuit
  Inverted switch reversing control circuit
  Reversible control line of contactor interlock
  Reversible control circuit of button interlock
  Reversing control circuit of button, contactor dual interlocking
  Position control circuit (Also known as the stroke control or limit control  circuit)  
Sequence control circuit
More control  circuit
  3. Step-down starting of three-phase asynchronous motor control line
  The stator winding resistance concatenated step-down starting control  circuit
  Manual control -△Step-down starting  line
  Button, contactor control -△Step-down  starting control circuit
  Time relay automatic control -△Step-down  starting line
  Rotor series three-phase resistance starting control circuit
  Button action series resistance starting control circuit
  Time relay automatic control circuit
  Wound rotor asynchronous motor CAM controller circuit 
  4. Three-phase asynchronous motor brake control circuit
  Reverse connect braking control circuit (Unidirectional and  bidirectional)  
  Energy consumption braking control circuit(No transformer type and  with transformer type) 
  5. Double speed asynchronous motor control line
  Contactor control two-speed motor control circuit 
  Time relay control two-speed motor control circuit 
  6. Basic control circuit of shunt/series/separately excited/compound DC motor
  Manual/automatic starting control circuit 
  Reversing control circuit 
  Brake control circuit(Energy consumption braking,  reverse connect braking) 
Speed control circuit(The armature loop series  resistance, change the main magnetic flux, the armature voltage) 
  (IIV) Speed adjustment by  transducer
  1) Frequency converter basic  operation training 
  2) Frequency converter speed  regulation practice 
  3) Open loop speed control system of  frequency converter based on the PLC communication mode 
  4) Closed-loop speed control of  frequency converter based on the PLC communication 
  (IIV) PLC
  1) Basic instruction practice 
  2) Design and debug three-phase  asynchronous motor Y / △ start control circuit  by the use of PLC
3) Design and debug three-phase  asynchronous motor reverse control circuit by the use of PLC
(VI) Micro motor experiment
  1) Control and use of AC servo  motors 
  2) Pulse control AC servo motor  training by PLC 
  3) The control and use of stepper  motor 
4) The pulse control stepper motor  training by PLC.




