Tag: Electrical Engineering

The US Interconnections

The US Interconnections

The US Interconnections

01/15/19

“How is the US power grid divided up?”

 

The United States is a large country. Spanning between two major oceans, it is truly a wonder to behold. But this might be too large for a single interconnection. Instead, the US is divided up into multiple separate interconnections, which together make up The US Interconnections. It is mainly divided between the Western and Eastern Interconnections, with the Texas Interconnection being a small subset.

 

Image link https://www.eia.gov

Synchronous Compensators

Synchronous Compensators

Synchronous Compensators

01/02/18

“How can we use synchronous motors to stabilize the grid?”

 

Synchronous Motors are great for precision control applications. But their usage can be applied to grid stabilizations. Since voltage in a grid can fluctuate, by running synchronous motors at no-load speeds we can effectively have a load that adds inertia to the system, therefore mellowing out the voltage fluctuation. These devices are known as a Synchronous Compensators and are a vital part of the modern grid.

Synchronous Motors

Synchronous Motors

Synchronous Motors

01/01/19

“How can motors be synchronized with current?”

 

AC Motors can convert electrical energy supplied by current into mechanical energy. But are there motors where the frequency of the shaft’s rotation is equal to the frequency of the supply current? Well, it turns out these machines are known as Synchronous Motors and are used in cases where motor speed needs to be very precise.

 

Image credit http://3.bp.blogspot.com

Plant Capacity Factor

Plant Capacity Factor

Plant Capacity Factor

12/26/18

“How can we determine the potential used by a power-plant during a given period of time?”

 

Power plants are capable of generating a certain amount of energy. But only so much of it actually gets used. The ratio of energy used/potential energy is known as the Plant Capacity Factor. A simple way to conceive of the plant capacity factor is to think about the amount you can study in an hour compared to how much you study. Although you might be able to study a lot in an hour, the amount you actually study determines your efficiency!

 

Image credit Wikipedia.org

 

RESCOs

RESCOs

RESCOs

12/23/18

“Are there companies dedicated to providing renewable energy?”

 

ESCOs are great for providing energy access. ESCOs that provide energy exclusively from renewable energy sources are known as RESCOs and are pivotal for the next energy paradigm.

Energy Service Companies

Energy Service Companies

Energy Service Companies

12/21/18

“How can a company provide energy solutions?”

 

Energy is just as dependent on economics as physics. As a result, electricity needs to be generated and distributed through a variety of manners. One of through an Energy Service Company, a commercial or non-profit organization that provides a vast array of energy services whether it be service implementation or retrofitting.