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Electric Stress Control in Cable, Joints & Terminations

Electric Stress Control in Cable, Joints & Terminations

How to Control Electric Stress in Cable Joints & Terminations? Introduction Power cables are of great importance in power transmission and distribution systems. Terminations and joints are the basic accessories of the power cables and they are required to make connections between lines or to an electrical apparatus. The various aspects are considered while designing the cable terminations and joints …

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Busbars and Connectors in HV and EHV installations

Tubular busbar

Busbars and Connectors in Indoor & Outdoor Installations What is Electric Busbar? A conductor or group of conductor used to collect the power from incoming feeders and distribute to the outgoing feeders is known as busbar. In other words, Busbar is a junction where the incoming  and outgoing feeders current meets i.e. it collects the power at single point. Busbars …

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HV And MV Switch Disconnectors And Isolators in Power System

HV And MV Switch Disconnectors And Isolators in Power System

HV/MV Switch Disconnectors And Isolators in Substation & Overhead Lines Introduction HV/MV Switch Disconnectors And Isolators High Voltage (HV) and Medium Voltage (MV)[1] installations require equipments to switching and/or isolating circuits or parts of circuits. For that purpose switch-disconnectors and isolators are used. These equipments must comply with the following IEC[2] Standards: 60038 – IEC standard voltages 61936-1 – Power …

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Design and Installation of EHV/EHV and EHV/HV Substations

Design and Installation of EHVHV and EHVHV Substations - Types and Configurations

Types and Configurations of EHV/EHV and EHV/HV Substations The Role of EHV/EHV and EHV/HV Substations in Transmission Network EHV/EHV and EHV/HV[1] substations are an important element of the electricity transmission network of a country or of a large area of a country and their functions are: Interconnection of power plants of the national or area electrical grid. Step up and …

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All About Electrical Protection Systems, Devices And Units

Electrical Protection Systems And Units

Electrical Protection Units And Systems Introduction to Electrical Protection Systems HV, MV and LV[1] electric installations and equipments are subjected to internal and external faults that can cause serious damages in persons and other equipments. To avoid and to minimize the consequences of those faults protection devices associated to equipments that are able to break electric current are required. For …

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Maintenance of Transformer – Power Transformers Maintenance, Diagnostic & Monitoring

Maintenance of Power Transformer - Transformer Diagnostic and Monitoring

Maintenance of Power Transformer – Transformer Diagnostic and Monitoring Introduction Being transformers static machines without any moving and turning parts, they are very reliable machines, and if maintained properly, can last for 40 years or more. Also they do not trip or blow when oven-stressed (except under extreme conditions), transformers are frequently overloaded and allowed to operate well beyond its …

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Current Transformers (CT) – Types, Characteristic & Applications

Current Transformers (CT) - Construction, Types, Installation, Characteristic & Applications

Current Transformers (CT) – Construction, Types, Installation, Characteristic & Applications What is Current Transformer (CT) ? Current transformers (CT) are used in High Voltage (HV) and Medium Voltage (MV)[1] installations to give an image of electrical current to protection relays and units and metering equipment and they are designed to provide a current in its secondary proportional to the current …

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Emergency Generator Set – Construction, Installation, Maintenance & Wiring

Construction and Components of Emergency Generator

An Overview of Emergency Generator Set (Manuel Bolotinha) Introduction to Emergency Generator Set Hospitals, airports, shopping malls and office buildings, just to mention some examples, are very sensitive, in what concerns safety of people and goods, to power outages caused by faults in medium (MV) and low voltage (LV) distribution networks and even in high voltage (HV[1]) transmission networks. When …

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Submarine Cables – Construction, Characteristics, Cables Laying & Joints

Submarine Cables – Construction, Characteristics, Cables Laying & Joints

An Introduction to Submarine Cables & Subsea Power Cables Introduction to Submarine Cables The development of offshore wind farms and oil and gas offshore platforms requires the installation of power, control and monitoring and communications cables between the platforms and the main land. For this purpose submarine cables are installed, which are also used for power and/or communications between islands …

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Voice Recognition Based Home Automation System

Voice Controlled Home Automation System using 8051 Microcontroller

Voice Controlled Home Automation System using 8051 Microcontroller Voice Recognition Based Home Automation With the evolution of smart devices and various wireless communication technologies, it is now possible to leverage these techniques for the best possible benefits for human beings. One such benefit involves controlling of home appliances irrespective of the distance, saving time as well as energy. This smart …

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