Electrical Machines and Elecric drive. EMiEP-SK
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Electrical Machines and Elecric drive. Stand design with computer
Delivery time is 8 weeks
Commisioning is required
Electrical Machines and Elecric drive. Stand design with computer
Delivery time is 8 weeks
Commisioning is required
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Description
This laboratory bench provides the following laboratory and practical works to be performed in professional educational institutions of the subjects of Electrical Machines, Electric drive.
Electrical Machines
- Study of single-phase transformer:
- short-circuit test;
- no-load test.
- Study of two single-phase transformers operated in parallel
- study of external characteristic;
- Experimental study of winding connection group for three-phase transformer
- Y-Y connection of wires;
- Delta-Wye connection of wires;
- Study of three-phase transformer:
- short-circuit test;
- open-circuit test;
- study of external characteristic Y-Y connection of wires;
- study of external characteristic Delta-Wye connection of wires;
- asymmetrical load for a transformer without neutral connection;
- asymmetrical load for a transformer with neutral connection.
- Study of DC generator:
- study of external characteristic of a DC shunt generator;
- study of no-load characteristic of a separately excited DC generator;
- study of short-circuit characteristic of a separately excited DC generator;
- study of external characteristic of a separately excited DC generator;
- study of control characteristics of a separately excited DC generator.
- Study of DC shunt motor:
- study of speed-torque characteristic;
- study of speed-torque characteristics at adding an additional resistance in the armature circuit;
- study of speed-torque characteristics at field weakening;
- study of operating characteristics;
- study of control characteristics at variable armature voltage;
- study of control characteristics at field weakening.
- Study of separately excited DC motor:
- study of speed-torque characteristic;
- study of speed-torque characteristics at adding an additional resistance in the armature circuit;
- study of speed-torque characteristics at field weakening;
- study of speed-torque characteristics at variable armature voltage;
- study of operating characteristics;
- study of control characteristics at variable armature voltage;
- study of control characteristics at field weakening.
- Study of asynchro squirrel-cage motor:
- short-circuit test;
- no-load test;
- study of operating characteristics.
- Study of asynchro generator:
- study of operating characteristics.
- Study of DC motor:
- study of natural characteristic, electromechanical characteristic;
- study of power diagram.
- Study of asynchro squirrel-cage motor:
- study of natural characteristic, electromechanical characteristic;
- study of power diagram.
- Study of braking methods of DC motor:
- study of dynamic braking;
- study of regenerative braking;
- study of regenerative braking;
- transient processes.
- Study of Thyristor converter-Motor system:
- study of speed-torque characteristic, electromechanical characteristic;
- DC motor speed control by variable armature voltage;
- study of control characteristics;
- transient processes.
- Elements of electric drive control system:
- study of ramp generator circuit;
- study of P-controller;
- study of I-controller;
- study of PI-controller;
- transient processes.
- Study of dependent control system for DC motor with external speed loop:
- study of control characteristics;
- tuning of current Loop parameter PI controller;
- tuning of speed loop parameter PI controller;
- study of control characteristics of loop system;
- study of speed-torque characteristics of electric drive loop system.
- Study of dependent control system for DC motor with external voltage loop:
- study of control characteristics;
- tuning of current Loop parameter PI controller;
- tuning of voltage Loop parameter PI controller;
- study of control characteristics of loop system;
- study of speed-torque characteristics of electric drive loop system.
- Study of Current Source-Motor system:
- tuning of excitation current Loop parameter PI controller;
- tuning of speed loop parameter PI controller;
- study of Current Source-Motor system;
- transient processes.
- Study of frequency converter:
- control of the frequency converter using the operator keypad;
- control of the frequency converter using the operator keypad.
- Study of open-loop Frequency Converter-Asynchro Motor system:
- study of speed-torque characteristics;
- study of control characteristics;
- slip compensation;
- torque compensation;
- braking methods.
- Study of closed-loop Frequency Converter-Asynchro Motor system:
- speed loop tuning;
- study of control characteristics of loop system;
- start electric drive in closed-loop system;
- study of speed-torque characteristics of loop system;
- transient processes of system
- Modules of:
- Bench power supply;
- Power supply;
- Power meter;
- Added resistance No.1;
- Added resistance No.2;
- Measuring;
- Frequency converter;
- Thyristor converter;
- Thyristor excitation;
- controllers;
- Three-phase transformer;
- Auto transformer
- Power.
- Electrical machine unit (asynchro squirrel-cage machine, DC machine, speed sensor).
- PC.
- Laboratory table (2 pcs.).
- Desk for PC.
- Bed-side table.
- Software.
- Set of connecting cables.
- Technical description.
- Methodology instructions on how to perform the laboratory works.
Specifications
| Design style | stand design |
| Type of control | with computer |
| Dimensions, mm | 2700х1550х650 |
| Weight, kg | 180 |
| Voltage, V | 3х380 |
| Power consumption, VA | 750 |
Documents