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MiCOM Distance Applications

MiCOM Distance Applications

P433 / P435 / P437 / P439 / P430C

Easergy™ MiCOM P43x distance protection and One-Box devices

Applied for selective short circuit, ground fault and overload protection in all kinds of medium, high and extra-high voltage systems.

Easergy MiCOM P43x offers a comprehensive range of protection functions as standard with optional hardware and software features available to satisfy customer needs.

Easergy MiCOM P439 One-Box solution includes Bay Control up to 10 devices, including a library of more than 300 pre-engineered bay templates, to reduce engineering time.

Easergy™ MiCOM P43x Models Available:

Easergy MiCOM P433

MiCOM P439

Easergy MiCOM P435

MiCOM P430C

Easergy MiCOM P437

 
P441 / P442 / P443 / P444 / P445 / P446

Easergy MiCOM P44x - High Performance Relay Distance Protection

Easergy MiCOM P44x provides high speed and high performance distance protection for all overhead lines and cable applications and offers a comprehensive range of protection functions as standard.

Easergy MiCOM P44x is complemented by various serial and Ethernet communication protocols including IEC61850. Protection is further enhanced by the use of Programmable Scheme Logic within the device.

The range offers quadrilateral (polygon) or mho characteristics with a long history of high performance, load blinding areas, comprehensive range of teleprotection schemes, Power swing alarm and blocking and Multishot autoreclosure with check synchronism.

Easergy MiCOM P44x Models Available:

MiCOM P441

MiCOM P444

MiCOM P442

MiCOM P445

MiCOM P443

MiCOM P446

Functions available for the different models of the Distance protection MiCOM range of relays

ANSI

Protection Function

P433

P435

P437

P439

P441

P442

P443

P444

P445

P446

21/21N

Distance

25

Check synchronising

32

Directional power

      

32V

Voltage controlled directional reactive power

 

      

46

Negative sequence overcurrent

46/67

Directional negative sequence

  

 

46BC

Broken conductor

49

Thermal overload

50/27

Switch on-to fault

50/51N

Ground fault

50/51P

Phase overcurrent

50ST

Stub bus protection

59/27

Over / under voltage

59N

Residual over voltage

62/50BF

Circuit breaker failure

67N

Ground fault directional

67N

Transient ground fault detection

 

      

67P

Phase directional

    

67W

Wattmetric ground fault

 

      

68

Out of step tripping

  

  

78

Power swing blocking

79

Auto-reclose

3 pole

1/3 p

1/3 p

3 pole

3 pole

1/3 p

1/3 p

1/3 p

3 pole

1/3 p

81

Over / under frequency

81R

Rate of change of frequency

  

 

81P

Under-frequency load shedding

 

      

85

Channel aided scheme logic

CVTS

Capacitive voltage transformer supervision

    

 

  

TCS

Trip circuit supervision

VTS/CTS

Voltage / current transformer supervision

∆I/∆V

Delta directional comparison

      

  

YN

Neutral admittance

 

      
 

Process Bus interface for SV

     

 

Mutual compensation

  

 

 

Typical Catalog Numbers

Catalog Numbers

Description

Standard Version

P44321RMBM0H98M

Series 40 - Distance Protection, P443 (48-110Vdc), 1/5A CT inputs, 16In/24Out (user configurable voltage thresholds), 1300nm single-mode dual channel, 3xRJ-45, IEC61850, DNP3

Advanced Version

P44521ROBM0J98L

Series 40 - Distance Protection, P445 (48-110Vdc), 1/5A CT inputs, 16In/16Out (user configurable voltage thresholds), 1300nm single-mode dual channel, 3xRJ-45, IEC61850, DNP3

  Tel

  18694970015

  Email

  18694970015@163.com

     WeChat 

   

WeChat QR code
Nanjing Zhuneng Electric Co., Ltd

Mobile number: 18694970015

WeChat: power1411913

Email: 18694970015@163.com

Address: Building 16, Liandong U Valley Industrial Park, No.24 XuefuRoad, Jiangbei New District, Nanjing, Jiangsu, China

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