Eco Car

Electric Car Controller/Battery Question!?

So if I buy a controller now for an electric car, are there any models that will be able to handle higher voltage outputs by future battery advances?

In other words, if I start out with an array of lead-acid batteries and want to switch to lithium ion or some such, will the controller still be able to communicate with the motor properly and not fry?

Also, does this apply to the Zap line of Electric Vehicles, namely the zaptruck? Thanks!

"Controller's" may control different things. A typical motor controller in an AC circuit for a fan motor primarily is a safety on the amount of current being drawn by the motor. If too much current is being drawn over time "heaters" melt and disconnect the power. A circuit breaker does the same thing in a shorter time but is reusable. A controller for a automotive motor might be expected to control the speed of the motor and thus the speed of the vehicle.

Controllers for batteries (Also known as a BMS [battery management system] typically regulate the maximum amount of voltage reached when charging a bank of batteries. Some controllers may be adjustable. This is particularly true where their parameters of control are based upon software rather than built into the hardware. Some software may be more easily programmable than others.

On some homemade controllers you only would have to put in a new disk with the program parameters changed. On others you might have to flash an eprom to install new "software." These are questions you will need to ask as you look at specific controllers. For a better idea you might look over an article where a knowledgeable person has created their own battery controller.

One expample of a do it yourself project is the article below. This owner swiched from one battery set to another. There are many others.

60v 10amp motor controller test

Battery Electric Vehicle $81.25 The battery electric vehicle, or BEV, is a type of electric vehicle (EV) that uses chemical energy stored in rechargeable battery packs.As with other electric vehicles, BEVs use electric motors and motor controllers instead of internal combustion engines (ICEs) for propulsion. Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 94 Publication Date: 2009/11/24 Language: English Dimensions: 5.98 x 9.01 x 0.22 inches

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Modeling and Design of an Electric AllTerrain Vehicle $105.14 This book describes and evaluates the conversion of a conventional gasoline powered allterrain vehicle (ATV) to an electric ATV. Preliminary studies are performed to obtain initial power and torque requirements for the vehicle. A detailed simulation model of the mechanical load is written and compared to manufacturer supplied data. The load model is then combined with a comprehensive electronic drive and motor simulation using an electromagnetic transient simulation program (PSCAD). A prototype of the vehicle is constructed by selecting the main components, an electric traction motor, batteries and a custom motor drive, using the simulation results. The results of both the simulation and prototypes are compared and evaluated. Author: Chevrefils, Adam Binding Type: Paperback Number of Pages: 108 Publication Date: 2010/03/10 Language: English Dimensions: 5.98 x 9.01 x 0.25 inches

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