This laboratory bench provides the following laboratory and practical works to be performed in professional educational institutions of the subjects of Electrical Machines, Electrical Machines and basics of electric drive, Basics of electric drive, Electric drive theory, Automated electric drive, Electric drive control system.
Frequency regulated electric drive. ChEP-NN
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ChEP-NN
Frequency regulated electric drive. Desktop case with laptop
Delivery time is 6 weeks
Commisioning is advisable
Frequency regulated electric drive. Desktop case with laptop
Delivery time is 6 weeks
Commisioning is advisable
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Description
- Study of asynchro squirrel-cage motor:
- study of natural characteristic, electromechanical characteristic;
- study of forced characteristic at variable stator voltage;
- study of forced characteristic at variable stator frequency;
- study of power diagram.
- Study of frequency converter:
- control of the frequency converter using the operator keypad;
- control of the frequency converter using external elements.
- Getting acquainted with frequency converter software functions:
- control of the frequency converter using the laptop;
- installation and saving of projects for FC configuration;
- signal oscillography using the software.
- Study of open-loop Frequency Converter-Asynchro Motor system:
- study of speed-torque characteristics at U/f = const;
- study of speed-torque characteristics at U/f2 = const;
- study of control characteristics at U/f = const;
- study of control characteristics at U/f2 = const;
- study of the effect of forcing voltage on characteristics;
- study of the effect of slip compensation on characteristics;
- definition of index of control.
- Study of closed-loop Frequency Converter-Asynchro Motor system with vector control:
- tuning the speed controller at vector control;
- study of speed-torque characteristics;
- study of control characteristics;
- study of the effect of field current on characteristics;
- definition of index of control.
- Study of transient processes in FC-AM system:
- study of starting and braking processes using linear ramp generator circuit;
- study of starting and braking processes using s-ramp generator circuit;
- study of braking methods at scalar control;
- study of braking methods at vector control.
- Study of FC – AM system operated as a source of moment:
- tuning the current controller at vector control;
- study of the effect of field current on characteristics;
- study of control characteristics;
- characteristics of TC-M system;
- definition of index of control.
- Study of positioning and tracking algorithms in FC-AM system:
- study of position modes;
- tuning the position controller;
- study of servo drive;
- definition of the position error under no-load and load conditions.
- Control of FC made by imbedded PLC:
- development of programs in the language of functional blocks;
- development of ladder diagram programs;
- study of the simplest automation algorithms based on an integrated PLC
- Modules of:
- Power supply;
- Bench power supply;
- Power meter;
- Thyristor converter;
- Frequency converter;
- Power.
- Electrical machine unit (asynchro squirrel-cage machine, DC machine, speed sensor).
- Laptop.
- Frame.
- Software.
- Set of connecting cables.
- Technical description.
- Methodology instructions on how to perform the laboratory works.
Specifications
Design style | desktop case |
Type of control | with laptop |
Dimensions, mm | 670х850х450 |
Weight, kg | 70 |
Voltage, V | 3х380 |
Power consumption, VA | 750 |
Documents