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Treeing in XLPE Insulated Medium & High Voltage Cables

Treeing in a XLPE insulated cable

Electrical Treeing in XLPE Insulated MV & HV Cables (Manuel Bolotinha) Nowadays XLPE (Cross-linkedpolyethylene) is the most used insulation material of medium and high voltage cables, which presents important advantages over PVC (Polyvinylchloride) and other insulations materials. Main advantages of XLPE are: Thermal stability High dielectric strength and insulation resistance Lower losses (tan δ) Stability to ageing Allows more current carrying …

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Types of Control & Communication Cables

Control cables

Types of Cables used in Control & Communication Control Cables Control cables are used to connect instrument transformers, coils of circuit breakers and contactors, control switches, meters, protection devices and other control and monitoring equipment. Control cables have conductors in copper, insulation and outer sheath in PVC and they may have up to 150 cores. Each core is identified by …

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Public Street & Road Lighting & Illumination Design

Public Street & Road Lighting & Illumination Design

Public Street & Road Lighting – General Principles, ISO & IEC Standards  Lighting Basic Parameters Basic parameters used in lighting are: Luminous flux – notation: Φ ; unit: lumen ( lm ). Luminous intensity – notation: I; unit: candela ( cd ). Illuminance – notation: E; unit: lux  ( lx or lux ). Luminance – notation: L; unit: cd / …

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An Overview of Energy Conservation in Buildings

Tips & Techniques for Energy Conservation in home & Building

Tips & Techniques for Energy Conservation in Buildings The high energy costs adversely affect all sectors of the economy and a determined effort to reduce the energy consumption and costs is, therefore, we need energy conservation and an energy efficient system in our homes as well as industrial and commercial sectors. Energy is one of the major inputs for the …

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Lighting Design Calculation in a Building – Step by Step

Lighting Design Calculation in a Building - Step by Step

How to do Lighting Design Calculation in a Building – Electrical Wiring Installation In professional field proper lighting design is very important because an under lighting arrangement will decrease the efficiency of the task for which the lightings were designed and an over lighting arrangement will result in over expenditure of the company. On small scale this difference is not …

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Power Distribution in Industries – All You Need to Know

Everything You Need to Know about Power Distribution in Industries

Power Distribution in Industries – Everything You Need to Know Today we are intended to take you to the industrial environment by giving the picture of how an electric power distributed in industries. In industries, electrical panels play a major role in distributing the power that houses various equipments such as bus bars, circuit breakers, meters, etc. These panels are …

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Difference Between MCB & MCCB According To IEC Standards

MCB or MCCB - Difference in IEC Standards - IEC 60898-1 & IEC 60947-2

MCB or MCCB – Difference in IEC Standards (IEC 60898-1 & IEC 60947-2) Circuit breakers are installed and used for safety purposes in both residential as well as commercial and industrial areas. In power distribution, we need circuit breakers at different levels. Depending on the current carrying capacity, breaking capacity and other functions, we select a suitable circuit breaker according …

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