Generation Trainer with Protection Relays Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12857
Indian Lab Suppliers supplies the Generation Trainer with Protection Relays (Product ID: 12857) as part of its electronics engineering lab equipment range. It is a generation trainer in which a VFD-driven induction motor turns a 3 kVA salient-pole alternator protected by a numerical generator protection relay.
Quick Answer
A 3 HP, 415 V squirrel-cage motor, speed-controlled by a 10 HP IGBT VVVF drive (sine PWM, 0.1-100 Hz, forward and reverse), drives a 415 V, 3 kVA, 4-pole salient-pole alternator whose 180 V DC field is set by an SCR cosine-firing excitation panel (0-195 V, 3 A). The alternator feeds a 5 kVA, 415/415 V generator transformer with ±2.5% and ±5% taps, and six 5/5 A CTs and a 415/110 V PT connect it to a numerical relay providing differential, over-current, under/over-voltage, under/over-frequency, reverse-power and earth-fault protection. Four bidirectional three-phase meters log the tests. Students draw V and inverted-V curves and the generator performance chart and trip each protection function. The transformer vector group is stated as Yy11, which is not a valid star-star group, so please confirm it at quotation. The trainer runs at 415 V with rotating machines and has a key-locked emergency stop; use it only under qualified supervision.
Key Specifications
| Parameter | Detail |
|---|---|
| Prime mover | 3-phase squirrel-cage induction motor, 3 HP, 4-pole, 415 V delta, 1500 rpm, 112 frame |
| Speed control | IGBT VVVF drive, 10 HP, 415 V, 0.1-100 (400) Hz, sine PWM, fwd/rev |
| Alternator | 3-phase salient-pole, 3 kVA, 415 V star, 1500 rpm; rotor 180 V DC, 2.65 A via slip rings |
| Excitation | SCR full bridge, 0-195 V / 3 A, cosine firing; 0-2.5 V external control |
| Generator transformer | 3-phase, 5 kVA, 415/415 V, ±2.5% and ±5% taps |
| Relay | Numerical generator protection: differential, O/C, U/O voltage, U/O frequency, reverse power, earth fault |
| Instrument transformers | 6 × 5/5 A CTs; 415/110 V, 50 VA PT |
| Supplies and meters | DOL starter 415 V/20 A; variable AC 0-270 V/3 A and DC 0-250 V/3 A; DC meters 300 V, 5 A; 4 three-phase multifunction meters |
| Dimensions and weight | 1165 (L) × 300 (W) × 990 (H) mm; trainer 65 kg net, motor 40 kg, alternator 35 kg |
Where This Is Used
Used in power systems and machines labs; related protection trainers are the Percentage Biased Differential Relay Trainer (Electromech / Numeric) (Product ID: 12855) and the Feeder Management Relay Trainer (Numerical) (Product ID: 12858). Browse the full Electronics Engineering Lab Equipment range or related Electricity and Magnetism products.
Frequently Asked Questions
Which generator protections are demonstrated?
Differential, over-current, under/over-voltage, under/over-frequency, reverse power and earth fault.
How is prime-mover speed controlled?
By a 10 HP IGBT VVVF drive.
Which machine curves can be drawn?
V and inverted-V curves and the generator performance chart.
Related Categories
Electronics Engineering Lab Equipment · Electricity and Magnetism · Engineering Lab Equipment
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