NTC-07.30 “Electric drive with servo drive – MPCS”

Br0.00

The educational laboratory stand is designed for studying automated electric drives, power conversion techniques, drive control systems, and automatic control systems. The laboratory work allows for the experimental investigation and determination of the dynamic and static characteristics of various electric drives and motors (including direct current and asynchronous motors with different rotor schemes), as well as their control systems. This includes circuits for starting, braking, reversing, and speed and current stabilization. The exercises cover methods for parameter identification, regulation features, load diagram construction, and the study of modern converters and automatic control systems aimed at improving efficiency and reliability of electric drives.
 
*For additional information, you can contact us via the phone numbers or email provided on the website.
 
Category:
The training system is the modification of NTC-07.24 “Electric drive with MPCS” and supplied with the laboratory experiment on the investigation of electric drive, based on DC motor.

Structurally, the training system consists of two parts:

  • the case, with installed electric equipment, electric circuit boards, front panel, power module, tabletop of the integrated desktop;
  • two machine equipment, operating in the generator-motor system. 

The training system may be complected by electric machine units, based on the electric motors with low (90 W) and high (0,55 kW) power.

Laboratory experiment may be conducted in manual mode and in the mode of the dialogue with PC.

The training system is supplied with:

  • a set of teaching materials and technical documentation intended for the teaching staff;
  • a software which gives opportunity to:
    • repeat the basic theoretical principles, studied in the laboratory experiment;
    • check students’ knowledge before performing the laboratory experiment (theoretical questions, correct circuit assembly, knowledge of hardware, step by step control of understanding the selection of experimental circuit and measuring instruments for the implementation of specific learning objectives).

Technical specifications

Power supply 3~50 Hz 380 V 3P+PE+N
Power consumption, max 250 W/ 1 kW
Overall dimensions of the training system, max:
width, mm 1310
height, mm 1460
depth, mm 600
Overall dimensions of the machine unit №1, max:
length, mm 400 / 810
width, mm 150 / 300
height, mm 180 / 400
Overall dimensions of the machine unit №2, max:
length, mm 400 / 980
width, mm 150 / 300
height, mm 180 / 400
Weight, kg, max 155 / 214

Measurement specifications:

Number of displayed parameters 19 pcs.
voltmeters 4 pcs.
ammeters 7 pcs.
thermometers 2 pcs.
frequency meter 1 pc.
speed measurements 2 pcs.
stopwatch 1 pc.
shaft position 1 pc.
shaft position setting 1 pc.
Range of measured voltages from ±0,1 V to ±750 V
Range of measured current от ±500 uА to ±10 А
Range of measured speed from ±1 rad/sec to ±314 rad/sec
Range of measured frequency from 0 Hz to 160 Hz
Range of measured time intervals  from 0,1 sec to 25,5 sec
Accuracy of shaft position control 110 имп./об
Measurement accuracy 1%

Technical specifications of the pulse-width converter:

Range current ±3А / ±10 А
DC link voltage 300 V
Modulation frequency 8 kHz

Technical specifications of frequency converter:

Motor power supply 1,5 kW
Range current ±2А / 7 А
Operating range of output voltage 3~ 220 V
Control method sinusoidal PWM
(U/f control, independent)
Control freauency range from 0 to 150 Hz
Frequency resolution 1 Hz
Overload margin 150% from nominal output current during 1 minute (integral dependence)

Scope of delivery

  • training laboratory system – 1 pc.;
  • supplementary materials in electronic format – 1 pc.;
  • passport – 1 pc.;
  • jumpers set – 1 pc.

Additional equipment (specified when ordering)

Necessary additional equipment:

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