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Meet the Real Heart of Power System Operations – The Transmission Control Center

Transmission control center is the real heart of every utility’s power system operations. Typical transmission control centers have three main desks – the generation, transmission and scheduling desk. Let’s take…...

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Feb 23, 2018 | Edvard

Transmission Control Center - The Heart of System Operations

5 Telecommunication Systems Embbeded In Smart Grid Applications and Services

Power utilities use telecommunication systems either as a support for grid assets’ operation or as the enabler for voice communications among operating staff. The main objective of utility telecommunications is…...

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This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Feb 09, 2018 | Edvard

5 Telecommunication Systems Embbeded In Smart Grid Applications and Services

Substation splitting and CB autoclosing for limitation of short-circuit currents

In this article, we describe method and technique of substation splitting and use of circuit breaker autoclosing that may be used for the control and limitation of the magnitude of…...

PREMIUM Membership Required

This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Feb 02, 2018 | Edvard

Substation splitting and circuit breaker autoclosing for limitation of short-circuit currents

Neutral Point Treatment in Three-Phase Networks (Detailed Overview and Comparison)

The main faults in power networks are the single-phase short-circuit and the short-circuit to ground. The short-circuit to ground is a conductive connection between a point in the network belonging…...

PREMIUM Membership Required

This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Jan 18, 2018 | Edvard

Neutral Point Treatment in Three-Phase Networks

8 Examples Of Transformer Differential Protection Using SIPROTEC Numerical Relays

The following examples show the application of SIPROTEC numerical relays for transformer protection. The individual functions are designated, using ANSI codes (Standard C37.2 – Electrical Power System Device Function Numbers)…....

PREMIUM Membership Required

This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Jan 05, 2018 | Edvard

8 Examples Of Transformer Differential Protection Using SIPROTEC Numerical Relays

Analyzing Power System And Equipment Performance Through Oscillographic Records

Most technically oriented people recognize the familiar 60Hz voltage and current traces that constitute the parameters of an operating power system. There are, however, transient components superimposed on the 60Hz…...

PREMIUM Membership Required

This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Dec 15, 2017 | Edvard

Analyzing Power System And Equipment Performance Through Oscillographic Records

How Bad Harmonics Influence The Work Of Rotating Machines (Induction Motors)

The presence of harmonics in the work of induction motors can be pretty bad. Why? They produce elastic deformation, that is, shaft deflection, parasitic torques, vibration noise, additional heating, and…...

PREMIUM Membership Required

This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Dec 01, 2017 | Edvard

How Bad Harmonics Influence The Work Of Rotating Machines (Induction Motors)

We can load distribution transformer heavily when it is cold, but when it’s hot…

Distribution transformers (commonly mineral-oil-immersed type) are output rated and their loading and sizing guidelines of many utilities are based on ANSI/IEEE C57.91. Distribution transformers can deliver their rated kVA without…...

PREMIUM Membership Required

This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Nov 09, 2017 | Edvard

We can load distribution transformer heavily when it is cold, but when it's hot...

3 Applications Of Capacitor Banks Used To Correct The Load Power Factor

Capacitors are used in industrial premises for two basic functions: the first, to correct the load power factor, usually to meet the supplying authority’s supply requirements and avoid tariff penalties…...

PREMIUM Membership Required

This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Oct 27, 2017 | Edvard

Medium Voltage Capacitor Banks

4 basic designs of an offshore wind farm collector system and important parameters

As the power capacity of offshore wind farms increases, the adequacy of the wind farm electrical system becomes critical. The efficiency, cost, reliability and performance of the overall wind farm…...

PREMIUM Membership Required

This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Oct 01, 2017 | Edvard

4 basic designs of an offshore wind farm collector system and important parameters
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