Safety information
Operating instructions RLD 17
ELTROPLAN
-
REVCON
Elektrotechnische Anlagen GmbH
2.6
General instructions
By this information to erectors and users of a plant hints on properties and directions con-
cerning the power feedback unit are given. These hints are not entitled to completeness.
Special features in comparison to a brake chopper:
Unlike a braking resistor a power feedback device isn't a constant drain, but it's dependent
on the momentary characteristics of the supplying net. Commutation brake downs and
voltage-flicker in the net have a considerable effect to the backward current of the device.
In case of a short time voltage brake down the backward current has to raise correspond-
ingly to feedback the demanded power-amount. Does the level of the supply voltage sink
for a longer time; the maximum feedback power is reduced.
If only one phase fails, the device is able to work on, but the current in the two remaining
conductors will rise up to 150% of the normal level.
Содержание RLD B
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