Glossary terms and definitions are currently in Indonesian. English versions will follow the English edition of the chapters.
Kontrol & Instrumentasi · Pembumian & proteksi
Pelepas tegangan kurang
Undervoltage release
Aksesori yang membuka atau mencegah penutupan breaker ketika tegangan kontrol turun di bawah batasnya.
- Other names
- UVR · MN release
- Types
- seketika · tertunda
How to use
- Tentukan parameter dari studi sistem, fault level, kurva waktu-arus, sistem grounding, dan petunjuk pabrikan.
Tips
- Verifikasi koordinasi hulu-hilir, kapasitas pemutusan, waktu trip, dan jalur arus gangguan.
Don’t
- Jangan membypass, memperbesar setting, atau mengubah sistem proteksi tanpa analisis dan otorisasi.
Related terms
Sources
- IEC · IEC 60050-195 — Earthing and protection against electric shock
- IEC · IEC 60364-5-54 — Earthing arrangements and protective conductors
- IEC · IEC 61140 — Protection against electric shock
- Schneider Electric · Selectivity, Cascading and Coordination Guide
A learning reference, not a substitute for datasheets, nameplates, workplace safety procedures, installation standards, or the judgment of an authorized technician on the actual equipment.