Line Protection Devices White Papers
Induction Motors - Protection and Starting
Overview This paper examines the sources and consequences of these inrush currents on the distribution system, as well as on the motor protection components. Recommendations are given in regard to the selection of both overcurrent and earth leakage protection of induction motors that consider not only the motor protection requirements, but also the limitations on the protection devices that may result from the abnormal circuit disturbances that could be introduced through the starter.The increasing use of power semi-conductor equipment, including variable speed drives has introduced a new dimension into power supply networks and the application problems of equipment connected to those systems. The most visible of these problems is the introduction of harmonics into the supply network.
| Publisher | Circuit Breaker Industries (CBI) | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | November 2000 | Downloads | 809 |
| Format | White Papers | ||
| Topics | |||
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White Paper RSSWatts and Volt-Amps: Powerful Confusion
DownloadThis paper describes the differences between watts and volt-amps (VAs) and explains how the terms are correctly and incorrectly used in specifying power protection equipment.
Cisco 12000 Gigabit Switch Router Family Layer 3 Protection Switching
This paper will introduce the reader to the design functionality of the Cisco 12000 GSR product line, with a focus on the Cisco 12016 GSR. In addition, Layer 3 protection...
Detection of Outgassing Species from the Electrical Insulators Using Cyranose E-Nose
The Cyranose™ electronic nose (e-nose) has been used for the first time to detect species out gassed from overheated electrical wire insulation. Out gassing occurs due to overheating as a...
Selecting Pressure Transmitters to Improve Centrifugal Compressor Safety & Efficiency
Centrifugal compressors are widely used in the process and oil & gas industries. Correct transmitter selection is critical for these applications – in particular, anti-surge and throughput control. Unfortunately,...
Protecting Networks and Systems from Electrical Power Problems
With the boom of e-business, many of today's businesses rely heavily on instantaneous, around the clock access to electronic information in order to operate. An electrical outage can strike at...
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