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At present, an important issue for electric vehicles is how to avoid and prevent the possible short circuit of high-voltage circuit in the event of vehicle collision. Generally speaking, electric vehicle manufacturers will attach great importance to the management of strong electricity, and often ... Read More
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When the fuse is blown due to short circuit current, the following changes occur inside the fuse: a. The instantaneous high current generated by short circuit will heat the fuse melt b. The melt temperature is continuously heated until the melting point is reached c. The generated arc will produce ... Read More
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As the voltage platform of new energy vehicles is upgraded to 800V, the protection requirements of the supporting fuse circuit are also upgraded accordingly. A new type of excitation fuse arises at the historic moment. The new type of excitation fuse activates the protection action by receiving the ... Read More
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1. Benefiting from the development of new energy vehicles, new energy optical wind power power generation, communication, rail transit, digital technology and other industries, the demand for the fuse market is growing rapidly. 2. With the main sales market for Asia to become a fuse, major well ... Read More
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Most circuits will have a transient surge current when the power is just switched on. In capacitive or inductive circuits, the surge current is often several times larger than the normal steady-state current, or even dozens of times larger. The fuse to withstand the surge current is a very important ... Read More
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Refers to the voltage drop at both ends of the fuse under rated current conditions. It reflects the internal resistance of the fuse, and its value should not be too large. If the fuse with too large internal resistance is installed in the circuit, the system parameters of the circuit will be ... Read More
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The energy storage battery system (BESS) is composed of a battery cell, a battery module, a battery pack, a battery cluster (Rack, also known as a battery cabinet), and several other cells in series (S) and in parallel (P) to form a battery "container" with a capacity of 500kW, 1MW, 2MW, 2.5MW or ... Read More
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1 Avoid large current discharge electric vehicles when starting, manned, and uphill, try to avoid stepping acceleration as much as possible, forming an instant large -current discharge. Large -current discharge can easily lead to lead sulfate crystals, which will damage the physical properties of ... Read More
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DC charging piles are also fixedly installed outdoors, such as community parking lots, residential communities, large shopping malls, service areas, roadside parking lots, special electric vehicle charging stations and other places to access the grid and provide DC for electric vehicle batteries ... Read More
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AC charging pile is fixed installation in community parking lots, residential communities, large shopping malls, service areas, roadside parking lots and other places. Power supply device for phase AC power supply. The exchange charging pile itself does not have the charging function. It just ... Read More
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