cryomark
Electrical
- Nov 10, 2000
- 21
We'll be making our first foray into a multiple VFD/common bus system soon. Using a single regen unit to control the bus V for 4 reciprocating He expansion liquifiers. These operate in a continuous pulsed regen mode.
How is bus isolation usually handled in these systems? Are there interlocked disconnects to ensure bus isolation before line isolation? Manufacturers?
How is bus isolation usually handled in these systems? Are there interlocked disconnects to ensure bus isolation before line isolation? Manufacturers?