Parker Servo Drive C3S150V2F12I11T40M11

08/11/2020

Treatment method of ammonia refrigerant in refrigeration equipment

When low-pressure equipment needs to be overhauled, it is necessary to cut off the connection between the equipment and the refrigeration system, select a channel, use the refrigeration compressor to suck up the ammonia in the equipment,

07/23/2020

Trouble and overhaul of piston refrigeration compressor

1. The refrigeration compressor cannot start normally Maintenance ideas 　　 1. First, check whether it is caused by low power supply voltage or poor connection of the motor circuit. If it is indeed that the grid voltage is too low, restart after the grid voltage returns to normal: If the line is in poor contact, the connection between the line and the motor should be detected and repaired.

06/14/2020

Basic knowledge of central air conditioning

Basic knowledge of central air conditioning 1. Basic knowledge of central air conditioning 1. What is refrigerant and what is its working principle? A working substance that transfers heat between the object to be cooled and the environmental mediu器2䀀
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09/22/2020

Coking treatment of compressor cooler oil circuit

The economical and common methods for cleaning the oil circuit of the cooler during maintenance work: Using water pump circulation cleaning method:

07/11/2025

Speed-Torque Curve of Stepper Motors and FAQs

This is the torque the motor will produce when the motor is stationary and rated current is applied to the windings.

03/12/2021

Composition of servo drive system

The controller is usually a computer or PID control circuit, and its main task is to transform and process the deviation signal output by the comparison element, so as to control the executive element to act as required.

07/31/2020

How to determine the demand for precision air conditioners

Precision air conditioners are high-precision air conditioners used in computer rooms that can control the temperature and humidity of the computer room. Its design is to solve the large load heat density in the data center.

08/08/2020

Analysis of performance factors of screw chiller assembly accessories

Screw chillers are widely used in industrial refrigeration in various industries such as plastics, electroplating, pharmaceuticals, chemicals, non-woven fabrics, shoemaking, and lasers.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

03/18/2021

Parameter setting method of servo motor driver

The larger the setting value, the higher the gain and the greater the stiffness. Under the same frequency command pulse condition, the position lag will be smaller.