EDN

Protecting transformers with PPTC devices

In these conditions, surface temperatures of the primary and secondary windings as well as that of the PPTC device remain lower than the device protected by a thermal fuse (see Fig. 2). Data comparing ...
EDN

Protection device safeguards electric motors and transformers

Menlo Park, Calif. — Raychem Circuit Protection, a business unit of Tyco Electronics, has introduced the PolySwitch LVR series of resettable circuit protection devices to help protect electric motors ...
T&D

Device Warns of Dissolved Hydrogen, Moisture in Transformers

The H2 Alert+ is Vigilant Power’s next-generation on-line transformer dissolved hydrogen and moisture warning device that will alert substation and power plant personnel to developing fault conditions ...
Business Line

Sentry FDS launches transformer fire prevention device

https://www.thehindubusinessline.com/info-tech/Sentry-FDS-launches-transformer-fire-prevention-device/article20690164.ece Copy Sentry- DS, a transformer protection ...
SFGate

Electrical transformers just can't take the heat / Smaller devices used on usually cool coast particularly hard hit

Electrical transformers can take only so much punishment. The devices, which change the voltage running through a power line, have been blowing out from San Jose to Los Angeles in this month's high ...