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Archive: Category «High Voltage»

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Conductor Types Used For Overhead Lines

The international standards covering most conductor types for overhead lines are IEC 61089 (which supersedes IEC 207, 208, 209 and 210) and EN 50182 and 50183 (see Table 1). For… Read more

Apr 20, 2013 | Edvard

Conductor Types Used For Overhead Lines

Using High-Speed Grounding Switches

Automatic high-speed grounding switches are applied for protection of power transformers when the cost of supplying other protective equipment is deemed unjustifiable and the amount of system disturbance that the… Read more

Feb 15, 2013 | Edvard

Using High-Speed Grounding Switches

High Voltage Substations Overview (part 2)

Continued from first part: High Voltage Substations Overview (part 1) Transformers are used for the transformation of high and medium voltage to low voltage, flanked by specific protective devices and… Read more

Jan 26, 2013 | Emmanouil Angeladas

High Voltage Substations Overview (part 2)

High voltage substations overview (part 1)

High voltage substations are interconnection points within the power transmission and distribution systems between regions and countries. Different applications of substations lead to HV substations with and without power transformers: Step… Read more

Jan 25, 2013 | Emmanouil Angeladas

Substations and Distribution Substations Overview

Environmental Stresses On External Insulation

The external insulation (transmission line or substation) is exposed to electrical, mechanical, and environmental stresses. The applied voltage of an operating power system produces electrical stresses. The weather and the… Read more

Jan 07, 2013 | Edvard

Environmental Stresses On External Insulation

Enhance Grid Reliability With Hybrid HVDC Breaker

Introduction to HHVDC How does Hybrid HVDC Breaker work? (VIDEO) Hybrid HVDC Breaker Construction Proactive control Prototype Design Of The Hybrid HVDC Breaker Comparison/Summary The advance of voltage source converter-based… Read more

Dec 15, 2012 | Edvard

The Hybrid HVDC Breaker by ABB
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