respected sir
I am pursuing m.tech from mody institute of technology and science. I need a pdf and ppt file for my seminar on the topis :nanoscale materials and devices for future communication networks. ....etc

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PPTC circuit-protection devices are used to protect against harmful over current surges and over-temperature faults. Like traditional fuses, these limit the flow of dangerously high current during fault conditions. The PPTC device, however, automatically resets after the fault is cleared and power to the circuit is removed. Understanding the precise nature of these devices can help designers develop more reliable equipment and reduce warranty, service and repair costs. Improvements in size, cost and performance have resulted in wide spread ....etc

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i want the report on power grid control system using gsm modem pllz provide me............. ....etc

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Lithium ion cells packaged in aluminium cans continue to be the highest performing cells in the market. Circuit protection for rechargeable lithium-based battery cells and packs in a critical design consideration.

overcurrent and overtemperature conduction that can result from accidental shorting or abusive/runaway charging can raise temperature high enough to damage components and cause substantial damage.

This paper presents the use of PPTC devices for short-circuit ....etc

[:=Read Full Message Here=:]

PPTC circuit-protection devices are used to protect against harmful over current surges and over-temperature faults. Like traditional fuses, these limit the flow of dangerously high current during fault conditions. The PPTC device, however, automatically resets after the fault is cleared and power to the circuit is removed. Understanding the precise nature of these devices can help designers develop more reliable equipment and reduce warranty, service and repair costs. Improvements in size, cost and performance have resulted in wide spread acce ....etc

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by Matthew Galla Materials and Process Development

Circuit protection for rechargeable lithium-based battery cells and packs is a critical design consideration. Overcurrent and overtemperature conditions that can result from accidental shorting or abusive/runaway charging can raise temperatures high enough to damage components and cause substantial equipment damage.
Early circuit-protection designs relied on fragile one-shot fuses to provide total current interruption for overcurrent protection. However, because the majority of f ....etc

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Lithium ion cells packaged in aluminium cans continue to be the highest performing cells in the market. Circuit protection for rechargeable lithium-based battery cells and packs in a critical design consideration. overcurrent and overtemperature conduction that can result from accidental shorting or abusive/runaway charging can raise temperature high enough to damage components and cause substantial damage. This paper presents the use of PPTC devices for short-circuit and overcharge of battery packs. Polymeric positive temperature coefficient [ ....etc

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Lithium ion cells packaged in aluminium cans continue to be the highest performing cells in the market. Circuit protection for rechargeable lithium-based battery cells and packs in a critical design consideration. overcurrent and overtemperature conduction that can result from accidental shorting or abusive/runaway charging can raise temperature high enough to damage components and cause substantial damage. This paper presents the use of PPTC devices for short-circuit and overcharge of battery packs. Polymeric positive temperature coefficient [ ....etc

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please send me pptc devices for protection of battery packs seminar presentation. ....etc

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