Transformers are very reliable devices and can provide service for a long time if regularly maintained and serviced. They’re also the single most costly item in any substation. To protect against ...
Megohmmeters (meggers) are electrical meters used to check the resistance and condition of the motor windings and the condition of the refrigeration and oil environment around the motor windings. A ...
Single-phase motors, adjustable-speed drives (ASDs), and power factor (PF) correction applications often depend on capacitors to operate properly. This article explains how to test these critical ...
Combined with productivity and associated reliability costs, a motor circuit analysis program can justify itself immediately. In recent years methods for controlling energy costs have evolved from a ...
This article describes the testing results following routine performance assessment of an electrical motor both in its original state and after rebuilding it using products made by Zeus, such as the ...
"The image is Wrindu's RDHG-E CT and PT Tester."Rui Du Mechanical and Electrical (Shanghai) Co., Ltd., a leader in power equipment manufacturing, is pleased to release a detailed guide on testing ...
When troubleshooting a compressor, apps like the HVACR Fault Finder app and Copeland™ mobile app from Emerson Climate Technologies can help service technicians determine the possible causes of the ...
Mechanical Dynamics & Analysis (MD&A) recently completed generator field rewind with a rotor slot dovetail repair on a customer’s GE® 650,000 KVA generator field. The work scope was performed at the ...
In the first installment of this series, "Calculating a practical hotspot safety margin", we discussed how two-parameter thermal models assume that the entire motor, including windings, exhibits one ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results