Siemens Eupec, Manual

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Testing MicroHarmony Cell Sizes 40 - 260A Manual
7-2 19001467: Version 1.0
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7
Table 7-1: Test Parameters for MicroHarmony Cells
1. This test must be done if the input rectifiers are replaced. It requires, however, the ability to generate full
power through the cell in order to thermally stress the rectifiers. An alternative is to short circuit the DC bus
and use a suitable step-down transformer along with a variac to generate the required rectifier current.
Airflow through the heat sink should be at least 180CFM (300CFM for 200-260A cells).
2. This test verifies the immunity of the IGBTs and Out of Saturation sense circuit on the cell control board to
nuisance OOS faults. This test should be applied for no more than 10 seconds. Air flow through the heat
sink should be at least 180CFM (300CFM for 200-260A cells).
3. This test verifies that the over temperature sense circuit is properly communicating at the hub control. 75%
of rated output current is applied with no air flow through the heat sink until the over temperature bit starts to
modulate. Once modulation is achieved, the output current is raised to the 100% base rating until the cell
tester disables the cell on over temperature.
4. This test ensures adequate isolation between the power electronics, control, and the cell chassis. The cell
must be disconnected from the 1/3 common bus. All components on the cell are shorted together, and a
potential is applied between the power electronics, control, and cell chassis. During the test, the cell is
checked for any flash over to ground (or excessive leakage current).
∇ ∇ ∇
10000424. 040 070 100 140
10000494
.200
10000494
.260
Minimum Load Inductance 16mH 8mH 8mH 8mH 8mH 8mH
3 Minute Input Rectifier Test
1
34Arms 58Arms 84Arms 117Arms 265Arms 265Arms
10 sec nuisance Out of
Saturation Test
2
125Arms 125Arms 180Arms 225Arms 450Arms 600Arms
Over Temperature Limit
Verification
3
30/40 52/70 75/100 105/140 200 260
HIPOT
4
3750VDC 1 minute