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Anonymous users2024-02-11High-voltage metering: The high-voltage metering box is a combined voltage and current transformer. The combined transformer is equipped with an instrument box, commonly known as a high-voltage metering box, which is used in 50-60Hz AC three-phase system network, and its voltage levels are 35kv, 10kv, and 6kv.
The products are connected by V V to form a three-phase energy measuring device. The instrument box can be installed separately for safe and easy meter reading, or it can be mounted on the front of the box as a monolithic type. Users are free to choose according to their needs.
This product is oil-immersed self-cooling, suitable for outdoor (of course, also suitable for indoors), and the box is equipped with transformer oil.
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Anonymous users2024-02-10It's not less than 220 degrees, no matter how low the voltage is, if the low voltage is 220 volts, some other things can't run.
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Anonymous users2024-02-09In the first season of senior engineering, I think it will be okay to need dozens of voltages and so on.
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Anonymous users2024-02-08How many voltage levels are needed for high-tech drops, which should also reach about 220V for our lighting.
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Anonymous users2024-02-07How much do you need for the purpose matching? That's right, it's Gou Fugui, Kong, college and secondary school, how many places to build underground is 220 volts, 380 households.
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Anonymous users2024-02-06Regarding the voltage level negative control terminal you inquired about, you can directly understand it through the hardware parameter table when purchasing the loan product, and it must be within its relevant parameter range to ensure safety.
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Anonymous users2024-02-05How many voltage levels do you need for high-altitude drops? I really don't understand what you're talking about, I can't help you, you know the insiders.
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Anonymous users2024-02-04How many voltage levels do you need for a high-tech drop? The construction site remembers the voltage level control end that is needed, and it is more necessary in my heart, and there are a lot of things that are needed, and he is the same as the tired.
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Anonymous users2024-02-03How many voltage levels do you need for high supply and low gauges, I don't know much about this, wait for me to help you check if you can? And then can't you fight? Remember the points of the score.
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Anonymous users2024-02-02How much voltage level is needed in windy weather, how much is needed for the military and police academy, you can ask others or use your mobile phone.
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Anonymous users2024-02-01Height. Only how many voltage levels are needed to negatively control the terminal. Then you have to see what kind of needs to see if you just ask him after sale.
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Anonymous users2024-01-31The power supply voltage of each component of the computer:
1. The voltage directly supplied by the computer power supply to each internal hardware is 5V and 12V;
2. The working current varies according to different hardware and its use state;
V voltage is generally for internal circuits, 12V is generally for power supply machines;
4. The display uses high-voltage mains power to directly supply power, and its internal voltage ranges from a few V to ten thousand V.
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Anonymous users2024-01-30Different brands and models have different voltages, you can look at the product parameters.
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Anonymous users2024-01-29The digital multimeter BAI meter is based on the digital voltmeter
The transfer switch ZHI and some voltage divider resistors shunt DAO resistors are installed in different gears to construct a digital multimeter, the display principle of the digital voltmeter is the same as the display principle of the digital multimeter, all through a D conversion, that is, ICL7106 7107, etc., the three-and-a-half A D conversion directly drives the three-and-a-half LCD LCD display to do dynamic display, that is, each stroke and decimal point drive on the LCD display is directly driven by a D converter, By lighting up or blanking a certain section of the comparison to display different values, the reading is held when the pin is connected to the high level, and the reading is not maintained when the pin is connected to the low level. The voltage divider resistor and shunt resistance are mainly voltage blocks, current blocks, voltage divisions, and shunts, to expand the role of voltage block range and current block range, and the main control display is a D converter, i v conversion R V conversion C V conversion, that is to say, no matter what signal is measured, the measured signal must always be converted into DC voltage signal and sent to a D for processing and display.
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Anonymous users2024-01-28The working principle of the current and voltage display is explained in detail, so that you can understand the role of each component!
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