Tag: Energy

How a Toyota Hybrid System Works

How a Toyota Hybrid System Works

How a Toyota Hybrid System Works

01/30/19

“How does a Prius receive propulsion from both a battery and a conventional engine?”

 

Toyota Hybrid Systems are able to draw upon both its battery and internal combustion engine for propulsion. The motor is directly powered by the battery while the internal combustion moves a generator to produce electricity. These are both combined in the power split device that varies the energy from the engine between electrical generation and driving according to the current needs. The energy generated is regulated by a Power Control Unit. The extra energy is fed back into the Battery.

 

The engine and motor are used in different combinations depending on the needs of the moment. During the starting phase and low-speed driving, the motor is completely in control. During acceleration, the ICE is used for propulsion. During normal driving, the engine is used to charge the battery. During deceleration, regenerative braking is performed to charge the battery. 

 

This is How a Toyota Hybrid System Works.

 

Image Credit: https://blog.toyota.co.uk

Dispersed Generation

Dispersed Generation

Dispersed Generation

01/06/18

“How can we have hyper distributed electricity generation?”

 

With the advent of climate change, distributed energy resources are proliferating at ever-expanding rates. However, sometimes this decentralized generation must be taken to the utmost levels to ensure infrastructure vitality. Anything of less than or equal to 500 kW of distributed energy generation is known as Dispersed Generation. An Example of dispersed generation includes rooftop photovoltaics.

Back-to-back Connections

Back-to-back Connections

Back-to-back Connections

12/28/18

“How can we hook up two asynchronous power connections?”

 

Different power grids might operate at different frequencies. And they might also cover different geographic regions that offer different but useful resources. They can be hooked up together at an HVDC substation using something called a Back-to-back Connection.

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.

How Energy Storage Can Increase Carbon Emissions

How Energy Storage Can Increase Carbon Emissions

How Energy Storage Can Increase Carbon Emissions

12/08/18

“How can energy storage increase carbon emissions?”

 

Numerous renewable energy proponents around the world are promoting energy storage as the solution to intermittency. However, if not planned out carefully, energy storage can be very unsustainable. This is because energy storage can store any type of energy, clean or not, with a preference for cheaper inputs. This means that cheaper overnight coal might be used for storage and then placed against more expensive natural gas or solar. In addition, energy is lost during storage, so the net efficiency drops as well. This is How Energy Storage Can Increase Carbon Emissions.

 

Image and research credit Hittinger, E. S., & Azevedo, I. M. (2015). Bulk energy storage increases United States electricity system emissions. Environmental science & technology49(5), 3203-3210.