Forebay in Hydroelectric power plant

forebay-in-hydroelectric-power-plant

The forebay is a regulating reservoir which stores water under reduced load conditions and provides water when the load increases. Details and Construction The forebay is a wide water body whose major function is storage of water. Depending on low, medium, or high heads its construction and working can be different. Its design and location … Read more

Top 10 Differences: Overhead vs Underground Transmission Lines

overhead-vs-underground-transmission-lines

Electrical power can be transmitted using overhead and underground transmission lines. While both lines have their pros and cons the ultimate choice depends on environmental and technical geography and applications. Given below are top 10 differences between overhead and underground transmission lines. Construction Overhead transmission lines are the bare conductors that are supported on pylons. … Read more

5 Types of Conductors used in transmission lines

5-types-of-conductors-used-in-transmission-lines

Transmission line conductors are responsible for carrying power from generating station to receiving stations. Today you’ll learn about 5 types of transmission line conductors: AAC – All Aluminum Conductor AAC contains one or more aluminum alloy strands. AAC is preferred for short spans (usually in urban areas). In coastal areas, AAC conductors are also effective … Read more

Power System Protection: 20 Different Types of Relays

20-different-types-of-relays

The electrical relay is a switch that is used for controlling circuits. Today you’ll learn about different types of electrical relays. Electromagnetic attraction type The magnetic force produced by undesired current attracts the armature of the relay. Electromagnetic attraction type relays can operate on either a.c or d.c quantities. They are further divided into three … Read more

Top 10 Differences Between Isolators and Circuit Breakers

top-10-differences-between-isolators-and-circuit-breakers

Isolators and circuit breakers are two electrical devices that are commonly found in industrial installations. The isolator is an offload device, while circuit breaker is on load device. The isolator is used for isolating a portion of the power system. The circuit breaker is used for switching purposes. Isolator should be operated after switching off the … Read more

Power Systems: 5 Methods to Reduce Power loss in transmission lines

5-methods-to-reduce-power-loss-in-transmission-lines

A well-designed power system ensures a continuous supply of electricity to its consumers. Whilst continuous supply at an economical equally beneficial rate is the supplier’s preference, the power engineers are often interested to reduce transmission line losses. Given below are the 5 methods in this case: Higher transmission voltages The line drops in a transmission … Read more

Top 10: LV Switchgear Components [LV Switch Gear]

lv-switchgear-components

Switchgear is a general term which involves protection, control, and switching equipment in a power system. According to IEC 60947, The Rated voltage of Low voltage switchgear (LV Switchgear) is up to 1000 VAC or 1500 VDC. You can watch this video to learn about different types of components: Alternatively, here is the list of … Read more