Synchronous Motor
2 rings (Positive and Negative) Usually 2-4 brushes per ring Excitation comes from a stationary DC source Speed is usually slower than WRIM but can be as high as 1200 RPM Number of poles are high Units can be Horizontal and Vertical RPM is often an even number e.g. 300, 900 300 – 10,000 hp, Up to 16,000 Volts |
Questions to ASK!Nameplate with running ROTOR or EXCITATION Amps Brush configuration Performance and history of the brush IE: Dusting, rapid wear, threading, brush life, etc. Slip Ring condition (pics of ALL rings will help) IE: Film=dark, threading, grooving, photographing, etc. Slip Ring Material IE: Brass, Bronze, Stainless Application IE: What is the motor doing, Duty Cycles, Continuous or intermittent, etc. Anything else we need to be aware of IE: Any Shock Loads, Contamination, Etc. |
Cheatography
https://cheatography.com
Application Cheat Sheet Cheat Sheet (DRAFT) by CarbonManMKE
This is a draft cheat sheet. It is a work in progress and is not finished yet.
