c_mitra
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9th January 2020, 04:58c_mitra replied to a thread Automatic Water Level Controller - Dynamic Dry-Run and OverLoad Current Calc Related in MicrocontrollersSounds a good strategy. But... If you see a trend (current slowly increasing or decreasing over a long period), perhaps the motor is getting...12 replies | 1109 view(s) -
9th January 2020, 01:47c_mitra replied to a thread How the washing machine Automatic Load Sense works? in Power ElectronicsThen how does it overcome "This in addition to the drum's high inertial load that will obscure the inertia of the wash load."- the problem stays. ...17 replies | 1266 view(s)
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7th January 2020, 06:01c_mitra replied to a thread Automatic Water Level Controller - Dynamic Dry-Run and OverLoad Current Calc Related in MicrocontrollersLooks OK. For dry run (pump running without pumping anything), the actual current will depend on the type of motor. For simple capacitor start...12 replies | 1109 view(s)
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7th January 2020, 05:35This is expected. Plugging is considered an emergency method to stop the motor; first you disconnect the power (so that the motor runs on its own...4 replies | 373 view(s)
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5th January 2020, 15:15c_mitra replied to a thread [SOLVED] Inflatable Hard Drive - transferal of data between three devices via USB in Hobby Circuits and Small Projects ProblemsIt may be wise to think in advance how you are going to connect it. The SATA hard disk can be connected to a PC and the arduino can be connected to...11 replies | 1017 view(s)
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5th January 2020, 10:45The reason i said exponential because of the current equation in the inductor I think it should be If you assume constant current then...18 replies | 1252 view(s)
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5th January 2020, 08:22But this is against the property of the inductor. The current in an inductor cannot change immediately it raises exponentially.18 replies | 1252 view(s)
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4th January 2020, 14:09c_mitra replied to a thread [SOLVED] Inflatable Hard Drive - transferal of data between three devices via USB in Hobby Circuits and Small Projects ProblemsComputer is connected to the hard disk via the USB cable; the filesystem reports the amount of hard disk used. How this information comes to the...11 replies | 1017 view(s)
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31st December 2019, 14:46c_mitra replied to a thread Light distribution from multi LED lamp? in Elementary Electronic QuestionsI understand. You are planning to use the LEDs at a low height. In this case, the peripheral rays can reach the ground and you want to divert some...16 replies | 1198 view(s)
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31st December 2019, 02:22c_mitra replied to a thread Light distribution from multi LED lamp? in Elementary Electronic QuestionsWhy use a lens at all? 15cm X15cm heatsink for 10 COB LED with 300W power input may be difficult to focus on a wide area - best may be to skip...16 replies | 1198 view(s)
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30th December 2019, 18:35The equation 39 is and the equation 41 is . This is my attempt using equation 39 and making current i through R as 0, I get L*di/dt = E; i =...18 replies | 1252 view(s)
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30th December 2019, 14:47The complete problem is like this.18 replies | 1252 view(s)
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30th December 2019, 14:42Although the anion has less important roles, sulphate is not the optimal anion in this experiment. You should use Cl- as the preferred anion in your...22 replies | 2674 view(s)
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30th December 2019, 14:24c_mitra replied to a thread Light distribution from multi LED lamp? in Elementary Electronic QuestionsThe situation will be different if you want a small spot or a wide area of illumination - these are different requirements. For practical...16 replies | 1198 view(s)
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30th December 2019, 14:13I am trying to solve the circuit. I am not posting the full question but my doubt is inductor seems to be directly across the voltage source without...18 replies | 1252 view(s)
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30th December 2019, 14:12c_mitra replied to a thread Light distribution from multi LED lamp? in Elementary Electronic Questions300W is not really much; I presume that 300W reflects the input power. Just as a rough approximation, say about 50% of this input is converted...16 replies | 1198 view(s)
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