POWER-FEED SYSTEM NEWFOUXDLAXD-XOVA SCOTIA LINK 289 



Fig. 6 — Power and cable-terminating equipments as installed at each terminal 

 station. 



main cable enters the bay at the top and passes behind the power-change- 

 over box into the cable-terminating box. Access to the recorder units and 

 cable simulators is from the rear. 



Fig. 7 shows the front of one power equipment with the doors open. 

 The left-hand cubicle contains the main h.v. transformer, the electronic 

 and magnetic parts of the control circuits, the reference power unit and 

 the auxiliary supplies. The other cubicle contains the main rectifier and 

 smoothing circuits, and the associated meter and alarm circuits. 



PERFORMANCE 



Six power eciuipments and four cable-terminating equipments were 

 manufactured for the link. Of these, four power equipments and two 

 cable-terminating equipments were provided for the terminal stations 

 and the remainder were for use on H.iM.T.S. Monarch during the cable 

 laying and subsequently as off-station and training spares. 



After individual testing, the power equipments were checked in pairs 

 energizing a 16-section artificial cable constructed to simulate the Claren- 

 ville-Sj'dnej' Alines link. These tests were kept running for approximately 

 two weeks on each equipment, and the line current was monitored with 



