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Protection Setting Calculation for Large Pulp Mill
Received:October 25, 2021  
DOI：10.11980/j.issn.0254-508X.2022.01.020
Key Words:pulp mill  10 kV auxiliary power  relay protection  generator  ETAP
Author NameAffiliationPostcode
DENG Guoping China Light Industry Engineering Co.， Ltd.， Beijing， 100020 100020
CAO Hui China Light Industry Engineering Co.， Ltd.， Beijing， 100020 100020
QIN Juan Shandong POYRY Engineering Consulting Co.， Ltd.， Ji’nan， Shandong Province， 250101 250101
QIN Keping China Light Industry Engineering Co.， Ltd.， Beijing， 100020 100020
CUI Huanxin* China Light Industry Engineering Co.， Ltd.， Beijing， 100020 100020
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Abstract:Using ETAP power system analysis and calculation application software as an auxiliary tool， based on the supporting equipment NANRI comprehensive protection measurement and control device of this project， the relay protection setting calculation of various types of electrical equipments and generators in the 10 kV auxiliary power system was discussed with the auxiliary power medium voltage system for self-contained thermal power station of a large domestic pulp mill as an object in this study. The optimal scheme of relay protection setting was sought while met the four basic requirements of relay protection setting.
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