Type Test of Synchronous Generators of SG Series
Testing according to EN 60034-1 standard
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Generator inspection and machine completeness test
Measurement of winding insulation resistances before testing
Measurement of winding resistances
Measurement of resistance of temperature sensors and conirol of built-in accessories
Measurement of voltage symmetry
Phase sequence check and direction of rotation check
No-load characteristic
Interturn insulation test, 130%U, — 3 min
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Voltage curve form check and THD measurement
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2°
Short-circuit characteristic by the retardation method
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_
Short-circuit resistance at 150%I, — 15s
—
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Load characteristic at overexcited state
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o
Calculation of efficiencies from summation of losses at 100%, 75%, 50%, 25% load
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Determination of moment of inertia
15.
Heat run test by an equivalent test method, at over-excited state as a synchronous
compensator
16.
Measurement of noise level at no-load and load operation
17.
Measurement of no-load vibrations
18.
Mechanical resistance test
- For low-voltage machines: limited to 200 % of the rated speed
- For high-voltage machines: the test will be determined according to technical parameters
of the specific machine
19.
Measurement of winding insulation resistances after testing
20.
High-voltage test
21.
Weight of the generator
G&Em s.r.0.,
Bobrky 2243, 755 01 Vsetin, Czech Republic
Mobile: +420 773 338 013, +420 773 338 023, +420 733 705 842
E-mail: info@gaem.cz
