Selection criteria for industrial power supplies
As a part of switching power supply, industrial switching power supply has become more and more widely used in the market with the rapid development of industry technology. Many large-scale equipment have high requirements for the selection of industrial switching power supplies. Mingwei power adapter manufacturers take you to understand the purchase considerations for industrial switching power supplies.
1. First, select the appropriate input voltage specification;
2. Select the appropriate power. In order to increase the working life of the power supply, a model with an output power rating of 30% more should be selected.
3. Consider the load characteristics. The added load is a motor, a light bulb or a capacitive load. When the power is turned on, the current is large. It is necessary to select a suitable power supply to avoid overload. If the load is a motor, the voltage inversion should be considered during shutdown.
4. In addition, it is necessary to consider the temperature of the working environment of the power supply, and whether there are additional auxiliary cooling equipment. The power supply needs to derate the output when the ambient temperature is too high, and the derating curve of the ambient temperature to the output power.
5. Select the required safety regulations and electromagnetic compatibility (EMC) certification.
6. Select various functions according to the application requirements:
Protection function: over voltage protection (OVP), over temperature protection (OTP), overload protection (OLP), etc.
Application functions: signal function (normal power supply, power supply failure), remote control function, telemetry function, parallel function, etc.
Special functions: power factor correction (PFC), uninterruptible power supply (UPS)
