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primary topic: ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG
type: Thesis
type: Article
abstract: In Indonesia, there are two main types of transformers: step-up and step-down transformers, which increase and decrease voltage. This system serves as the primary link between the electrical energy produced and the energy consumed by consumers. Insulation resistance testing is crucial to ensure the performance and quality of the transformer, ensuring it experiences no power loss. Several potential issues may affect the insulation resistance, such as leakage current, weather conditions, and the age of the transformer. This testing was carried out using several methods. The first method, Polarization Index (PI), serves to assess the condition of the transformer winding. The second method, tangent delta, is used to measure electrical losses in the transformer. The third method, breakdown voltage (BDV) testing, is conducted by sampling the transformer oil. This testing was performed over a two-year period, in 2022 and 2024. Based on the research, the insulation resistance in the 2022 PI test showed a value of 1,21 on the primary to ground side, which is questionable, while the tertiary to ground value of 1,66 indicates good condition. The 2024 PI test showed a primary to ground value of 0,97, which is below the accepted standard, and a value of 1,92, which is the highest and considered good. The tangent delta test in 2022 showed a maximum value of 0,2%, which is within the good standard, while in 2024 it recorded a lower value of 0,7%, indicating degradation. The BDV (Breakdown Voltage) test produced an average difference of 23 kV which is still considered good.
date: 2026-04-18
status: published
creator: Dini Austia Pratiwi
author list: authors
type: EPrint
type: ThesisEPrint
is part of: repository
has document: ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
subject: TK Electrical engineering. Electronics Nuclear engineering

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG (Text)
type: Document

Fakultas Teknik Universitas Sultan Ageng Tirtayasa
type: Organization

TEKNIK ELEKTRO, Fakultas Teknik Universitas Sultan Ageng Tirtayasa
type: Organization

Dini Austia Pratiwi
type: Person
given name: Dini
family name: Austia Pratiwi

Wahyuni Martiningsih
type: Person
given name: Wahyuni
family name: Martiningsih

UNIVERSITAS SULTAN AGENG TIRTAYASA
type: Organization

FAKULTAS TEKNIK
type: Organization

JURUSAN TEKNIK ELEKTRO
type: Organization

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primary topic: ANALISIS PENGUJIAN ISOLASI PADA TRANSFORMATOR DI GARDU INDUK 150 KV SERANG

TK Electrical engineering. Electronics Nuclear engineering
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