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[Experts] High-power DC stable power supply is great. What needs to be done to achieve synchronous output of DC stable power supply?

Source: http://www.suinyq.com/news/353.html
Release time: 2019-12-06

I hope that through the introduction of this article, you can have a certain knowledge and understanding of the content of Shuying Instrument-the best choice of DC stabilized power .

The main features of DC stabilized power supply produced by Shijiazhuang Shuying Instrument:

Full digital control, output 1 mV / 1 mA step, high stability, small drift

High-brightness LED display voltage and current and working status, eye-catching and intuitive

Double rotary encoder input parameters, easy to adjust

Intelligent temperature control fan to reduce working noise

Output soft switch control, memory reproduction function, output over-voltage protection function, reliable operation

Keypad lock to prevent misuse

Standard RS232 interface, optional USB interface

The number of British DC stabilized power supplies is complete, and the DC is stable.

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In order to achieve the output synchronization of the DC stabilized power supply, a synchronous zero-voltage switch must be realized first, that is, the corresponding phase of the standby power grid is only switched on when the cut-off grid voltage corresponding phase voltage crosses zero. It has been extended to the 50 Hz city power range. The issue of zero-voltage switching will be discussed later. Here, two generators supply power to two computers respectively, and the third motor G8 is standby (idling). When the two motors When the operation is normal, the indicator light Lz is on, and the output voltage is abnormal. For example, if the voltage is faulty, the controller immediately measures it, cuts off the control signals of Sll-S18 and adds control signals to S81-S38. After the machine is replaced, the indicator light is off and L81 is on after the motor is replaced, which indicates that the same is true for G8 instead of GB instead of Gi, and it can still be exchanged when S is abnormal. If the voltage is not faulty, it is a normal replacement maintenance. You only need to push (or press) the replacement rotary switch (or button). Of course, you can use the electronic switch and contactor in combination to reduce the size and power consumption. That is, use the electronic switch when changing the machine. After the connection process is completed, close the contactor or the gate knife. To change the machine, first pull off the contactor or the gate knife, but use heat pipe technology to dissipate heat. Its volume is more stable than a contactor of the same capacity. The synchronous output of a DC stable power supply can't be achieved much. In this way, the above-mentioned electronic switch connection technology is used to remove the maintenance time MTTR from the reliability formula. To some extent, the requirements of AC uninterruptible power supply have been realized, which is the fault intensity and maintenance rate of AC power supply systems. However, since the maintenance time MTTR is reduced to zero in both DC and AC systems, Po is also 1. In this way, a power supply system composed of DOHRS and UPS-like UPS can surely ensure that the computer will not be stopped due to a power supply system failure during the specified working time.

The content of "Shuying Instruments-the best choice for DC stabilized power supply" was prepared by our editor for you. Do you remember what was said in the previous article? These may be somewhat incomplete, and we will explain them one by one in future articles.

[Related tags]: switch , voltage , output , control , electronics ,

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