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Title: circuit diagram for over voltage and under voltage protection using lm324
Page Link: circuit diagram for over voltage and under voltage protection using lm324 -
Posted By: mastrounak
Created at: Wednesday 04th of October 2017 08:59:11 PM
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circuit diagram of over under voltage protectn of electrical applicatins using lm324 ....etc

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Title: OVERUNDER VOLTAGE PROTECTION OF ELECTRICAL APPLIANCES
Page Link: OVERUNDER VOLTAGE PROTECTION OF ELECTRICAL APPLIANCES -
Posted By: pavithrashripad
Created at: Wednesday 04th of October 2017 07:27:20 PM
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This circuit protects refrigerators as well as other electrical appliances from over and under voltage. By the name itself we can say that if the input voltage is more or less than the required voltage then the electrical appliance is turned off nothing but it gets disconnected from its respective power supply.
This circuit uses an operational amplifier IC LM324 which is used as a comparator. Generally, the IC LM324 consists of four operational amplifiers, of which only two operational amplifiers are used. In this IC, we ha ....etc

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Title: Over Under Line Voltage Protection for Electrical Appliances
Page Link: Over Under Line Voltage Protection for Electrical Appliances -
Posted By: prashant078
Created at: Wednesday 16th of August 2017 10:32:59 PM
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ABSTRACT:
This circuit protects refrigerators as well as other electrical appliances from over and under voltage. By the name itself we can say that if the input voltage is more or less than the required voltage then the electrical appliance is turned off nothing but it gets disconnected from its respective power supply.
This circuit uses an operational amplifier IC LM324 which is used as a comparator. Generally, the IC LM324 consists of four operational amplifiers, of which only two operational amplifi ....etc

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Title: over under voltage protection electrical appliances
Page Link: over under voltage protection electrical appliances -
Posted By: nazeem
Created at: Wednesday 16th of August 2017 09:11:52 PM
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Introduction on over/under voltage protection of electrical appliances ....etc

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Title: over under voltage protection relay
Page Link: over under voltage protection relay -
Posted By: chandu484
Created at: Wednesday 04th of October 2017 09:28:25 PM
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http://seminarsprojects.net/Thread-over-under-voltage-cut-off-with-on-time-delay-project-report?pid=16282&mode=threaded

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Title: over voltage and under voltage protection
Page Link: over voltage and under voltage protection -
Posted By: Andrew
Created at: Wednesday 16th of August 2017 10:57:49 PM
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REGULATED POWER SUPPLY
1.1 Types of Power Supply

There are many types of power supply. Most are designed to convert high voltage AC mains electricity to a suitable low voltage supply for electronic circuits and other devices. A power supply can by broken down into a series of blocks, each of which performs a particular function.
For example a 5V regulated supply:
Figure 1.1 block diagram of a regulated power supply
Each of the blocks is described in more detail:
Transformer- steps down high voltage AC mains ....etc

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Title: water level controller 555 timer ic with under and over voltage protection
Page Link: water level controller 555 timer ic with under and over voltage protection -
Posted By: garima27
Created at: Wednesday 04th of October 2017 09:29:18 PM
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http://seminarsprojects.net/Thread-over-under-line-voltage-protection-for-electrical-appliances

http://seminarsprojects.net/Thread-over-under-voltage-protection-of-electrical-appliances

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Title: process of under over voltage circuit report
Page Link: process of under over voltage circuit report -
Posted By: rahulautade
Created at: Wednesday 04th of October 2017 09:26:20 PM
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I need this report.i have to submit this report on 16-10-2012 to my collage . please send it immediately. my email id : [email protected] ....etc

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Title: over under voltage protector lm324
Page Link: over under voltage protector lm324 -
Posted By: neha
Created at: Wednesday 16th of August 2017 08:54:56 PM
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Title: over-under voltage cut-off with ON-Time delay PROJECT REPORT
Page Link: over-under voltage cut-off with ON-Time delay PROJECT REPORT -
Posted By: luv2satya
Created at: Wednesday 04th of October 2017 07:54:16 PM
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CHAPTER 1: INTRODUCTION
Here is an inexpensive auto cut-off circuit, which is fabricated using transistor and other discrete components. It can be used to protect loads such as refrigerator, T.V., and VCR from undesirable over and under line voltages, as well as surges caused due to sudden failure/resumption of main power supply. This circuit can be used directly as a standalone circuit between the mains supply and the load, or it may be inserted between an existing automatic/manual stabilizer and the load.
The over/unde ....etc

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