Circuit for Delayed Forward and Reverse Operation of Electric Motor Controlled by PLC and Frequency Converter

Circuit for Delayed Forward and Reverse Operation of Electric Motor Controlled by PLC and Frequency Converter

Control Requirements Three switches are used to operate the PLC to control the frequency converter driving the electric motor for delayed forward and reverse operation. One switch is used for forward control, one switch is used for stop control, and one switch is used for reverse control. When the forward switch is closed, the motor … Read more

Using a Multimeter to Determine the Condition of Electric Motors and How to Measure Them

Using a Multimeter to Determine the Condition of Electric Motors and How to Measure Them

1. Short circuit to ground in the motor: The testing method involves connecting one end of the megohmmeter to ground and the other end to the motor terminal. If the insulation reads zero, it indicates a short circuit. 2. Open circuit between windings: The testing method involves connecting the megohmmeter to the two motor terminals. … Read more

Using Multimeter to Test Electric Motors

Using Multimeter to Test Electric Motors

Three-phase asynchronous motors are widely used. When electricians are repairing motors, they often encounter some old motors that lack nameplates or markings, or the nameplates and markings are unclear. How to use a multimeter to determine and test the motor windings, number of poles, speed, etc., is discussed below. 1. Determining the Start and End … Read more

Luyuan SOC Dashboard Indicator Light Explanation

Luyuan SOC Dashboard Indicator Light Explanation

2021: Wuxi Exhibition May 20-22 October 26-28 Nanjing Exhibition Exhibition Booking Hotline: 13013601526 (Mobile + WeChat) As a major core black technology launched by Luyuan this year, the Luyuan SOC intelligent endurance system has attracted high attention from both the industry and consumers, and many dealers and consumers are curious about the SOC dashboard. Today, … Read more