Ravi, K; Anbazhagan, P; Ramachandiran, A; Venkateswara Rao, S
(Indian Institute of Astrophysics, 2011)
Conventional Telescope Dome Shutter Control has bi-parting shutter driven by a AC three phase induction motor to which AC power is fed through circumferential busbars. These busbars frequently requires maintenance and some ...