Forced Commutated Circuits Manufacturer,Supplier and Exporter in India
Product Code : JA-PET-1438
The forced commutation circuits trainer covers all five classes of SCR commutation, from Class A load resonance to Class E external pulse commutation. A 30 V DC supply, a 5 V DC supply, a 5 Hz square wave oscillator, a UJT triggering circuit, a capacitor bank and two push-to-on switches are built in (SKU JA-PET-1438).
Specifications
The commutation board is listed with:
| Product | Forced Commutated Circuits |
| SKU | JA-PET-1438 |
| DC supplies | 30 V DC at 150 mA; 5 V DC at 50 mA |
| Oscillator | 5 Hz square wave |
| Triggering | UJT triggering circuit for the SCRs |
| Switches | Two push-to-on |
| Other parts | NPN transistor, inductor, diode, LED and capacitor bank |
| Mains | 230 V ±10%, 50 Hz AC; ON/OFF switch, fuse and jewel light |
| Patch cords | 4 mm stackable spring-loaded plugs, 0.5 m |
| Weight | 3 kg approx. |
| Dimensions | W 340 x H 110 x D 210 mm |
| Other apparatus required | Dual trace CRO 20 MHz (unearthed) |
Commutation classes studied
The operating instructions cover:
- Class A: self commutation by resonating the load
- Class B: self commutation by an LC circuit
- Class C: commutation through a charged capacitor switched by another load-carrying SCR
- Class D: commutation through a charged capacitor switched by an auxiliary SCR
- Class E: commutation by an external pulse source
Scope of supply and ordering
The listing covers the forced commutation board with patch cords and operating instructions, supplied by JaincoLab. The number of units, the packing and the dispatch time are confirmed on the quotation.
Frequently asked questions
Which commutation classes does the board cover?
Classes A to E: load resonance, LC circuit, charged capacitor switched by a load-carrying SCR, charged capacitor switched by an auxiliary SCR, and external pulse source.
How are the SCRs triggered?
Through a built-in UJT triggering circuit; a 5 Hz square wave oscillator and two push-to-on switches are also on the board.
What supplies are built in?
30 V DC at 150 mA and 5 V DC at 50 mA; the board runs on 230 V ±10%, 50 Hz mains.
Related products
- SCR DC Circuit Breaker
- DV and DT Limitation Of SCRS
- Voltage Commutated Thyristorised Chopper
- Single Phase Series Inverter
Other products in this group are in the power electronics trainers range.
Request a quote
Use the contact page to ask for a quotation on the Forced Commutated Circuits, giving the SKU JA-PET-1438 and the quantity. Buying under a laboratory tender? Use our tenders page.
