Electrical Machine Trainers Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12790
Indian Lab Suppliers supplies the Electrical Machine Trainers (Product ID: 12790) as part of its electronics engineering lab equipment range. It is a complete electrical machines laboratory set with DC, induction, synchronous, single-phase and universal machines, a single-phase transformer, R-L-C loads, rheostats and digital power measurement.
Quick Answer
Six machines are included: a DC motor/generator (300 W, 220 V DC armature and field, 3000 rpm) with separate, series or compound excitation; a three-phase cage induction motor (500 W, 230/400 V, 2850 rpm); a three-phase wound-rotor motor (500 W, 2900 rpm, 400 V rotor); a synchronous motor/generator (350 VA, 3000 rpm, 220 V DC excitation); a capacitor-start single-phase motor (300 W, 2900 rpm); and a universal AC/DC motor. Each machine has a thermal protector, and the three-phase machines have delta-star connection. They are loaded by variable resistive, inductive and capacitive loads (three sectors each, up to 460 W or 460 VA) and started or controlled with armature, rotor/stator and field rheostats. A tachogenerator (0.06 V per rpm, up to 5000 rpm), three-phase power analysers, DC multifunction meters and a true-RMS multifunction instrument with PC software record the results. Ratings quoted are minimum values.
Key Features
Phase-sequence indicator and synchronising device for paralleling generators · 4 mm safety terminals throughout · Software logs measurements, alarm limits and harmonic graphs
Key Specifications
| Parameter | Detail |
|---|---|
| DC machine | Motor/generator, 300 W, 220 V DC, 3000 rpm; separate/series/compound excitation |
| Induction machines | 3-phase cage 500 W, 2850 rpm; 3-phase wound rotor 500 W, 2900 rpm; 1-phase capacitor start 300 W, 2900 rpm |
| Other machines | 3-phase synchronous motor/generator 350 VA; universal AC/DC motor 260/330 W |
| Transformer | 1-phase, 760 VA; 230 V primary; secondaries 0-53-200-400 V and 0-115-230 V |
| Loads | Variable R, L and C: 21 single-phase and 7 three-phase steps each, max 460 W/460 VA, fused |
| Rheostats | DC/rotor/stator starting 3 × 50 Ω; shunt field 5000 Ω and 200 Ω; series field 50 Ω |
| Speed | Tachogenerator 0.06 V/rpm, max 5000 rpm; digital tachometer |
| Measurement | 2 three-phase power analysers (3 × 5/5 A CT, 400/690 V, 0.5%); DC meters 600 V/20 A; true-RMS instrument to 31st harmonic with software |
| Supply | Tabletop unit: 3-phase + N + PE, 50–60 Hz |
| Accessories | Vertical module frame, 40 × 4 mm safety cables, cable holder, SS and powder-coated cabinet |
Where This Is Used
Used in electrical machines laboratories of engineering colleges and polytechnics for induction-motor starting (including star-delta), slip, load and power-factor tests; synchronous generator no-load, load and phase characteristics and synchronous-motor starting; DC shunt and compound motor and generator tests, efficiency by loss separation and reversal; and single-phase transformer winding resistance, turns ratio, impedance, polarity, open- and short-circuit tests, regulation and parallel operation. Related: Transformer Trainer (Product ID: 12791) and RLC Load (Product ID: 12794). The set runs on 400 V three-phase supply and has rotating machines, so it must be earthed and used under qualified supervision with guards and safety leads. Browse the full Electronics Engineering Lab Equipment range or related Electricity and Magnetism products.
Frequently Asked Questions
Which machines are included?
DC motor/generator, three-phase cage and wound-rotor induction motors, synchronous motor/generator, capacitor-start single-phase motor and universal motor.
What supply does it need?
Three-phase with neutral and protective earth, 50–60 Hz.
Can transformer tests be done?
Yes, a 760 VA single-phase transformer is included for ratio, polarity, open- and short-circuit, regulation and parallel-operation tests.
Related Categories
Electronics Engineering Lab Equipment · Electricity and Magnetism · Engineering Lab Equipment
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