The transformers are bolted permanently into the cabinet structures. Doors are ... The UPS installation was completed on 16 May 1969 and started in continuous operation on 6 June 1969. Garrett UPS The ... Two additional modules can be installed later to raise the output capacity to 720 kva without a system shutdown. The UPS ... A block diagram of one UPS module is shown in Fig. 5. ... The control and logic circuit dc power is also supplied from the main dc bus by thyristor choppers.
|Title||:||IEEE conference record of 1969 fourth annual meeting of the IEEE Industry and General Applications Group|
|Author||:||IEEE Industry and General Applications Group. Meeting, IEEE Industry and General Applications Group. Southeastern Michigan Section|