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126kV Intelligent Combination Electrical Appliance

YHK46 Three Remote Cover Type FTU

Overview

​ Realize on-site clearing of faults, automatic isolation of faults, automatic transfer of power supply, and automatic restoration of power supply in non faulty sections; Functions such as logic manual and automatic reset. Realize on-site clearing of faults, automatic isolation of faults, automatic transfer of power supply, and automatic restoration of power supply in non faulty sections; Functions such as logic manual and automatic reset.

Performance Characteristics

Three remote functions Protection function Intelligent distributed logic function Remote/Local Operation Power function Communication function wireless communication Status indication Data processing function Fault detection

Product Features

Three remote functions: telemetry (including direct flow), remote signaling, and remote control;

Protection functions: three-phase three-section overcurrent protection function, zero sequence protection function, reclosing and blocking reclosing function;

Intelligent distributed logic function: achieving local fault clearing, automatic fault isolation, automatic transfer of power supply, and automatic restoration of power supply in non faulty sections; Logic manual, automatic reset and other functions;

Remote/local operation: The remote/local closing and opening operations are mutually locked, and the control outlet is controlled by the soft and hard pressing plates for on/off;

Power function: Dual power switching, automatic seamless switching to backup power supply in case of AC power loss, and automatic management (battery activation, alarm, protection) function for backup power supply;

Communication function: multiple network and serial ports, supporting multiple communication protocols; Wireless communication: capable of wireless communication through touch laptops;

Wireless communication: capable of wireless communication through touch laptops;

Status indication: There are obvious local status indication signals for operation, communication, line faults, etc;

Data processing function: arbitrary configuration and combination of data sent by the main station; Distribution transformer load rate, three-phase imbalance, remote sensing exceeding limit, extreme value, qualification rate statistics, etc;

Fault detection: achieving on-site fault clearing, automatic fault isolation, automatic transfer of power supply, and automatic restoration of power supply in non fault sections; Logic manual, automatic reset and other functions;

Technical parameter

Telemetry

Rated voltage

AC220V/100V, accuracy 0.5%

Rated current

5A/1A, accuracy 0.5%

Power (active, reactive, power factor)

≤ 1%

DC voltage

Accuracy 0.2%

Remote signaling

Remote signaling power supply

DC24V/DC48V adaptive

SOE resolution

≤ 2ms

Software anti shake time

0-65535ms can be set

Single/dual point remote signaling optional

 

Remote control

Output method

Empty contact output, pulse duration 1-65535ms can be set

Contact rating

AC 250V/5A, DC 80V/2A, or DC 110/0.5A pure resistive load

Contact life

On/off 105 times

Telemetry

Ua, Ub, Uc, U0 (or Uab, Ubc), Ia, Ib, Ic, I0 (or synthetic), 1 DC quantity

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