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1276 Search Results Found For: "power distribution"

power distribution

Technical Guide/Paper

Impedance Based Fault Location

As utilities today concentrate on continuity and reliability of their distribution networks, fault location has become an important supplementary function in modern IEDs. These fault location algorithms typically rely on… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // Impedance Based Fault Location – by ABB
Technical Guide/Paper

Automatic Reclosing

Most overhead line faults are transient in nature, such as an insulator or a spark gap flashover or a temporary contact with foreign objects or animals. The majority of these… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // Automatic Reclosing – by ABB
Technical Guide/Paper

Backup protection

According to the International Electrotechnical Vocabulary [8.13.5], backup protection is intended to operate when a power system fault is not cleared or an abnormal condition is not detected in the… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // Backup protection – by ABB
Technical Guide/Paper

Protection of Synchronous Generators

Most power systems tolerate the disconnection of one generating unit, one power transformer, one power line or one busbar section without running into serious problems. A fault on adjacent power… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // Protection of Synchronous Generators – by ABB
Technical Guide/Paper

Motor Protection

Electric motors are exposed to many kinds of disturbances and stress. Part of the disturbances is due to imposed external conditions such as overvoltage and undervoltage, overfrequency and underfrequency, harmonics,… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // Motor Protection – by ABB
Technical Guide/Paper

Protection of Shunt Capacitor Banks

Shunt capacitor banks (SCBs) are widely used in transmission and distribution networks to produce reactive power support. Located in relevant places such as in the vicinity of load centers the… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // Protection of Shunt Capacitor Banks – by ABB
Technical Guide/Paper

Protection of Meshed Networks

The structure of modern distribution and sub-transmission networks is developing toward meshed and looped configurations. At the same time, the demand for maintaining high reliability and safety in operation is… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // Protection of Meshed Networks – by ABB
Technical Guide/Paper

Protection of HV Transformers

The transformer substations are important parts of a power system. Many utilities design their power systems so that they withstand the loss of a single transformer. In case of an… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // Protection of HV Transformers – by ABB
Technical Guide/Paper

MV Feeder Earth-fault Protection

This chapter contains a description of the earth-fault protection of MV feeders. A feeder may consist of: An overhead line with bare conductors, An overhead line with covered conductors, An… Read more

Feb 07, 2015 | By

Distribution Automation Handbook – Power System Protection Practice // MV Feeder Earth-fault Protection – by ABB


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