WSBQ-II branchless variable resistance starter in the row of the application of the machine

WSBQ-II branchless variable resistance starter in the row of the application of the machine
Abstract: based on the WSBQ-II branchless variable resistance starter and use time relay control BP2-704 frequency sensitive rheostat the comparison of the start, this paper expounds WSBQ-II branchless variable resistance starter advantages and WSBQ-II branchless variable resistance starter installation and overhaul.
Keywords: brush less variable resistance starter; Starting torque; Starter installation; Starter overhaul
Chinese classification number: TQ051 literature identification code: A
Al shanty branch alumina firing workshop phase II 8 a row all use JR1512 machine-8475 KW wound rotor motor, the original series 4 sets the rotor BP2-704 frequency sensitive become resistance starter, due to
rotating joints the complex control circuit, the problem is more, in September of 2002, 7 # row first tried the machine situate university science and technology research institute nucleus (choice together can reach starter manufacturing Co., LTD.) production WSBQ-II brush less variable resistance starter. For one year, operation, start to normal, the effect is very good, in other rows after the attached application, and now all the change.
1, original starting way existing problems
(1) is big, cover an area of many. For each motor rotor diameter slip rings, carbon brush series access 4 sets BP2-704 frequency sensitive resistance starters.
(2) control complexes, maintenance time long. Because of control back to the zap components, contacts, so in the troubleshooting, long time. And often with time relay the internal components of damage or middle rotary union contact not make contactor don't suck close. Rheostat coil long charged burn out.
(3) slipping carbon brushes, sparking influence the normal operation of equipment fan. With the operation of the extended period of kiln, carbon brush frets.Especially, the compression spring loses pressure, often become affect the normal operation of the key fan. Because carbon brush and slipping the powdered carbon friction produces carbon brush card to die, or carbon brush is too short, spring is too small, cause carbon brush and dwell ring contact undesirable produced sparks. Light person needs to stop replacement fan carbon brush, the person that weighs the need to change the shipping, motor.
2, WSBQ-II branchless variable resistance starter structure and the product installation
"Brushless variable resistance starter" installed in motor axis (the original installation position of slipping) and rotor spinning at the same time, the structure is compact. It consists of yoke board, winding, terminals, inside and outside the spare parts such as iron collar line into one whole, has the installation, disassemble, do not need spare parts, less maintenance, etc. Installation process as follows: one is to dismantle the motor of the shield, short I ring, carbon brush, brush, brush, slipping box rack vulnerability parts; Two is to remove the fiber optic rotary joint , one should pay attention to the rotor and root of the outlet sequence (A, A, B, B, C, C); 3 it is to use to swim check motor respectively rod trunnion, key wide, key high whether with starter conform to the size of the collar, if there are differences can't installation; Four is set inside with a little in oil or bearing grease, will be the key on the collar starter on electricity a shaft singultus of key position, then use casing or tumbling resist shaft position, and on to the installation position; Five is the starter has one end of the terminals in line with the motor for a direction, assembling note not a mistake.