Questions tagged [power]

In physics, power is the rate of doing work.

In physics, power is the rate of doing work.

98 questions
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lithium thionyl chloride batteries to generate 20A @ 14.4V

I am building a robot where power density is critical, and looking into using lithium thionyl chloride (SOCl2) batteries. I will be drawing around 20A constantly and need between 12 and 17V. The batteries I have found so far are AA-sized and…
foobarbecue
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Calculating thrust generated from electric engines

I wanted to calculate the amount of thrust generated from the engines. I am using the blade 180 cfx model. http://www.bladehelis.com/Products/Default.aspx?ProdID=BLH3450#quickSpecs After some research I have found a way to calculate the thrust…
tanuj Jain
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Switching scheme for vector controlled pmac drive

I have 28 pmac motors (3-ph, 230 volt of 0.5 kw, 1.05kw an 1.21kw) in motor control center. Please suggest a time staggered switching scheme in order to avoid tripping due to voltage sag, swell , flicker etc
robo
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Is it possible to use a LiPo charger as a lab bench power supply?

I recently thought about building a lab bench power supply, it comes in cheaper and I love to build things... But then I also have a LiPo charger an iMax B6AC, that I had bought for my quadcopter, then came the idea of whether I can use the charger…
SidS
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Need a Relay Alternative

I have an application that needs a XBee and another module to be turned on and off digitally via a microcontroller. The Setup is 2 XBee's and an application board is connected to the Microcontroller. On PowerON I need 1 Xbee and the Microcontroller…
user2967920
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Stepper Motor power supplies

Being new to the world of stepper motors, I have a Longs Stepper Motor 23HS9430 bought from eBay it's a 3.0 A 5 V motor. Although I have been reading about the supply voltage for the motor, the controller I have, again from eBay, has a supply…
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2 way Switch powerbar

For some important reasons the plugged cable 1 must not be on at the same time as the the plugged cable 2. It must be idiot proof... I'm talking about regular house power north america. What is the specific name of it. I've done some research and I…
Mark
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