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E-mail
shanghaitianbigao@qq.com
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Phone
13022163777
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Address
Room 119, Building A, No. 58 Zhuwei Road, Zhuxing Town, Jinshan District, Shanghai
Shanghai Tianbi Electric Technology Co., Ltd
shanghaitianbigao@qq.com
13022163777
Room 119, Building A, No. 58 Zhuwei Road, Zhuxing Town, Jinshan District, Shanghai
Guodian Nanzi microcomputer protection device PDS-747AGuodian Nanzi microcomputer protection device PDS-747A
1、 Product Usage and Characteristics
The PD S-747A digital motor differential protection device (hereinafter referred to as the device) is mainly used for voltages of 10kV and below
Differential protection for large and medium-sized motors of different grades.
protection function
● Differential quick break protection
● Ratio differential protection
● Magnetic balance differential protection
● Second harmonic braking
TA wire breakage detection
● Event recording and fault waveform recording
Measurement and control function
● Remote signaling: 16 external hard remote signaling inputs, internal remote signaling of the device, event remote signaling, and remote signaling SOE
● Protect event messages
Remote pulse: 4-channel pulse input and transmission
● Protect the remote input/output of the pressure plate
● Protection of remote viewing, modification, and switching of fixed value areas