Case Study: Newly Constructed Condominium Building The condominium developer could not get the necessary permits for operation because the two building elevators would not run on the building’s emergency back-up generator. The problem was originally diagnosed as excessive voltage drop between the main service entrance in the basement and the tenth floor motor room. The technicians involved spent a lot of time and money trying to fix this presumed problem which had been incorrectly diagnosed. Among the solutions tried were: Adjustment of the transformer taps to +5 percent, replacement of the transformer with a model with a lower impedance model, and installation of an electronic tap switching regulator. A 450 kw emergency generator was even brought in for testing to see if it would be neces

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