TECHNICAL DESCRIPTION | |
Nominal supply voltage 50Hz, V | 380 (250A) |
Load current, A | 100 |
Max. operating trial voltage, | |
- main isolation, kV | 50 |
- coil isolation, kV/coil | 4 |
Pulse frequency, Hz | 1-5 |
Test bench floorspace, m2 | 11 |
Overall dimensions:, | |
- control rack (height/width/length), mm/mass, kg | 840x650x1500/200 |
- test table (height/width/length), mm/mass, kg | 1300x750x770/150 |
- step-up transformer (height/width/length), mm/mass, kg | 400x650x800/80 |
- measurement transformer (height/width/length), mm/mass, kg | 400x500x950/40 |
TECHNICAL DESCRIPTION OF MEASURING DEVICES: OSCILLOGRAFF S1-131: | |
- admitted error limit, % | 5 |
- deviation ratio on the level, mV/division | 2 – 10(4) |
- reamer coefficient, mks/division | 0,02 – 10(7) |
DIGITAL MEASUREMENT PFP-1: | |
- precision rate, | 0,15 |
- measurement speed, measurement/sec | 3 |
- monitoring time, msec | less then 300 |
Fig.1 Test scheme on electric stability of winding insulation according to the body 1. LATR 2. Set-up transformer 3. Measurement transformer 4. Digital voltmeter | |
Fig. 2 Test scheme on electric stability of turn insulation 1.Set-up transformer 2. Tank capacity 3. Aerial fuse 4. Turned circuit inductance 5. Test coil 6. Coil 7. Milivometer 8. Control coil 9. Oscillograff | |
IR - Induction regulator QS1,QS4 - end switch SI - test field pV - Kilovoltmeter TR - test transformer pS - Oscillograff SH1 - control rack test of main insulation SH2 - control rack with test turn insulation R - inductive switch (is not supplied) * - enclosed 1 - Copper wire in insulation with work voltage 0,4kV with cross-section 1,0 mm2 2 - cross-section 16 mm2 3. - In insulation with work voltage 6kV with cross section 16 mm2 |