Universal Motor Speed Control Manufacturer,Supplier and Exporter in India
Product Code : ILS-EELE-10416
Indian Lab Suppliers supplies the Universal Motor Speed Control (Product ID: 10416) as part of its electronics engineering lab equipment range. It is a trainer that demonstrates half-wave SCR and full-wave triac speed control of a small universal motor.
Quick Answer
The half-wave controller uses an SCR and gives high torque at low speed, working in skip-cycle mode. The full-wave controller uses a triac triggered through a diac; it shows the hysteresis effect in firing and how gate slaving reduces it. Two capacitors set the firing angle, two potentiometers adjust the speed, and a snubber across the triac improves its dv/dt performance and cuts radio-frequency interference. The universal motor is rated 1/12 HP or less, and the unit has a mains switch, fuse and indicator lamp.
Key Specifications
| Parameter | Detail |
|---|---|
| Motor | Universal motor, 1/12 HP or less |
| Half-wave control | SCR, skip-cycle operation, high torque at low speed |
| Full-wave control | Triac with diac trigger, gate slaving |
| Firing network | Two capacitors, two diodes, two potentiometers |
| Snubber | Across the triac, for dv/dt and RFI |
| Mains | Switch, fuse and indicator lamp |
Where This Is Used
Used in power electronics and drives labs with Study of SCR and A.C. Phase Control (Product ID: 10418) and DV/DT Limitation of SCRs (Product ID: 10417). Mains voltage is present on the board and motor: switch off before touching the circuit and keep clear of the shaft. Related items: Universal Motor Speed Control with Power Supply & Motor (Product ID: 12890). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
Which devices control the motor?
An SCR for half-wave and a triac for full-wave control.
Why is a snubber fitted?
To limit dv/dt across the triac and reduce RFI.
What size is the motor?
1/12 HP or less.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Electricity and Magnetism
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