Hunan Ming Energy Engineering Equipment Co., Ltd.
 Business Services > Consulting >  transformer protection

transformer protection

Brand Name:
Ming Energy
Model Number:
WKT-F2-963
color:
black
weight:
appr.4kg
transformer protection
 
Detailed Description
 


transformer protection;
applicable for protection and measurement of 10KV/400V Y/YO transformers;

Applications

l       Protection and measurement of 10KV/400V Y/YO Transformers

 

Configuration of Protecting Functions

l       Quick break protection

l       Over current protection

l       Zero sequence current protection (inverse time lag)

l       Load control

l       Low frequency load decreasing with low current and lockdown when frequency slipping

l       Fault recording

 

Characteristics of Module

l       Providing double CPU structure with self-check and cross-check

l       Providing a large screen LCD in English

l       Providing RS-422(485) or RS-232 or CAN communication interface and remote operating function

l       All protection functions can be switched by software

l       Protection output can be switched by hard pressure board

l       Applicable in AC or DC power supply

l       Preset protection constant value can be modified remotely

 

Main technical Parameters

l       Presetting range of quick-break: 4A-100A, with level difference of 0.1A

Presetting range of quick-break time: 0-5s, with level difference of 0.01s

l       Presetting range of over-current: 1.0A-50A, with level difference of 0.1A

Presetting range of over-current time: 0-10s, with level difference of 0.01s

l       Presetting range of overload range: 1A-10A, with level difference of 0.1A

Presetting range of overload time: 2-60s, with level difference of 0.01s

l       Zero sequence current: setting 5 points at random with inverse time lag

l       Presetting range of low frequency: 45-49.9Hz, with level difference of 0.01Hz

Presetting range of low frequency time: 1-60s, with level difference of 0.1s

l       Presetting range of low current closedown: 0.5A-10A, with level difference of 0.1A

Presetting range of frequency changing rate closedown: 0-10Hz/s, with level difference of 0.1Hz/s

l       Contact capacity of output relay: DC220V, 5A

 

l       Environment temperature permitted

Normal working temperature: 0°C~+45°C

Utmost working temperature: -10°C- +50°C

l       Anti-interference: Complying with the regulations of GB7261-87 and IEC255

l       Insulation and voltage withstanding: fulfill the regulations of DL478-92

 

Measuring Functions

Measuring current: ia, ic

P, Q, COS¢, f, Uab, Ubc

Protection electricity: Ia, Ib, Ic, i

KWh, KVarh

Clock

Digital pulse count of electric energy

8-bit telesignalling amount


We promise to offer you the right Modules with best price and best service!We have sufficient experience and high responsibility,welcome to send us your sample and we can provide with you what you want.We promise that our lampholder would be saftety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation!


Company information:
    Hunan Ming Energy Engineering Equipment Co., Ltd. ,established in 2009 . We is an exporter of China (Mainland) Technology Consulting products.    We have exported products to many other countries, such as North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe. Our main business goal is to provide top quality products for our customers    If we don't have idea of what you're looking for, please call or e-mail with your ideas and we may be able to make you something completely unique!All detail for concern the company are illustred in our website www.mingenergygroup.com!
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Send Inquiry to this Supplier
 
Hunan Ming Energy Engineering Equipment Co., Ltd.
Mr. Cheng Mi
Room 803, Integrating Building, Farmer's Market, Yingcaiyuan Residential Quarter
86-731-88808317
13808468160

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