Kontrola Nokta Iyakata na Kisan Gwamnati na IEE-Business

Tambayar

RWK-381 line sectionalizing load break switch controller shine kuma na switch da ya kamata aiki da switch mai gaba. Ba zan iya kasa rike shi ba, an kasa shi ne idan yanayin ko kawo shi taifi.

RWK-381 line sectionalizing load break switch controller yana amfani da IT operation mode. Idan yanayi yadda, kontrola zai tattauna shekaru da aka yi. Idan shekaru yana haɗa da ma'aikatar, kontrola zai kasa bayan yanayin ko kawo shi taifi.

Kofin kontrola itace da harshe mai zurfi, tsari ita da painting, anticorrosion, za a iya amfani da shi a wurare.

Yana da circuit da ke kafofin: Yana iya ƙara AC220V charging power supply daga waje. Idan ba a baka power supply daga waje, za a iya samun karshen/kashe da kowane abubuwa na kontrola da battery. Kuma, ana saftoci da anti-over discharge circuit don sarrafa battery idan ba a baka power supply daga waje zuwa lokacin.

Binciken abubuwan da suka fiye

1. Abubuwan da suka fiye:

1) Section function,

2) 50 Instantaneous/Definite-Time Overcurrent (P.OC),

3) 51 Phase Time-Overcurrent (P.OC2/P.OC3),

4) 49 Overload

5) 50N Residual Ground Instantaneous/Definite-Time Overcurrent(G.OC),

6) 51N Residual Ground Instantaneous/Definite-Time Overcurrent (G.OC2 /G. OC3) ,

7) 50SEF Sensitive Earth Fault (SEF),

8) 51C Cold Load,

9) TRSOTF Switch-Onto-Fault (SOTF)

10) 27 Under Voltage (L.Under volt) ,

11) 59 Over Voltage (L.Over volt),

2. Abubuwan da suke mulki:

1) 74T/CCS Trip & Close Circuit Supervision,

2) 60VTS VT Supervision  .

3. Abubuwan da suke mulki: 

1) 60VTS Lockout , 

2) circuit-breaker control.

4. Abubuwan da suke mulki: 

1) Primary/Secondary Phases and Earth Currents,

2) Direction,

3) Primary/Secondary Line and Phase Voltages,

4) Apparent Power and Power Factor, 

5) Real and Reactive Power, 

6) Positive Phase Sequence Voltage,

7) Negative Phase Sequence Voltage & Current,

8) Zero Phase Sequence Voltage,

9) Earth Current With 3RD Harmonics,

10) Frequency,

11) Binary Input/Output status,

12) Trip circuit healthy/failure,

13) Time and date,

14) Event records

15) Counters,

16) Wear.

5. Abubuwan da suke mulki:

a. Communication interface: RS485X1,RJ45X1

b. Communication protocol: IEC60870-5-101; IEC60870-5-104; DNP3.0;  Modbus-RTU

c. PC software: RWK381HB-V2.1.3,The address of the information body can be edited and queried by PC software,

d. SCADA system: SCADA systems that support the four protocols shown in "b.”.

6. Abubuwan da suke mulki:

1) Event Records,

2) Fault Records,

3) Measurands.

7. remote signaling remote measuring, remote controlling function can be customized address.

Technology parameters

Device structure

About customization

The following optional functions are available: cabinet heating defrosting device, battery upgrade to lithium battery or other storage equipment, GPRS communication module,1~2 signal indicators,1~4 protection pressure plates, the second voltage transformer, custom aviation socket signal definition.

For detailed customization, please contact the salesman.

Q: What is line sectionalizing load break switch?

A:line sectionalizing load break switch is an important device used in power lines. Its main function is to segment the line according to certain rules. The advantage of this is that when a certain segment of the line fails, the segment switch can isolate the faulty segment from the normally functioning line.

Q: How does it determine the segments?

A: The segmentation is usually determined according to the load distribution, geographical layout and power supply reliability requirements of the line. For example, in the area where the load is more concentrated, a separate segment may be divided; Or by geographical area, such as a block or an industrial area.

Q: What is the significance of line sectionalizing load break switch for power system?

A: It can improve the reliability and flexibility of the power system. When a fault occurs, it can quickly isolate the fault, reduce the scope of power outage, so that power maintenance personnel can be more targeted to troubleshoot the fault, and other unaffected segments can continue to supply power normally, ensuring that