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SJDB-XTB three-phase alternating-current electromotor comprehensive protector

SJDB-XTB three-phase alternating-current electromotor comprehensive protector

Country/Region china
Company Xiafeng Electric Appliance Co.,Ltd
Categories 3 Phase Alternators
Update 2018-04-06 08:44:25
ICP License Issued by the Chinese Ministry
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SJDB-XTB three-phase alternating-current electromotor comprehensive protector

一、Introduction:
SJDB-XTB three-phase alternating-current electromotor comprehensive protector (hereinafter referred to as the protector) is an intelligent controller which is designed specially for a three-phase synchronous electromotor, a single chip microcomputer is adopted as a main control element, the digital processing and control technology is applied to the protector, the protector has the advantages of being high in speed, high in precision, strong in control function and the like, and the man-machine interactive operation is more convenient due to the adoption of Nixie tube display and buttons.
二、Function:
1, the protector has the functions of phase loss, phase current imbalance, overload, overvoltage, undervoltage failure protection and state self-locking.
2, The protector has the functions of setting, displaying and storing electromotor rated currents, overload protection delay time, phase current balance degree percentage protection values, self-starting delay time, overvoltage protection values, overvoltage protection delay, undervoltage protection values, undervoltage protection delay and time value control parameters of each stroke cycle.
3, the controller has the functions of automatic and manual starting and switching and delay self-starting.
4, the controller has the functions of displaying three-phase running current values, power source voltages, last-time failure reasons and pumping unit balance weight balance degree.


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