I. Nā kiko'ī o ka mamao palekana no nā keʻena uila haʻahaʻa{1}}
Hoʻokumu mua ʻia nā kikoʻī mamao palekana no nā keʻena uila haʻahaʻa haʻahaʻa ma luna o nā kūlana aupuni "GB/T 7251.1-2017 Low-Voltage Switchgear and Controlgear Assemblies" a me "GB 50054-2011 Low-Voltage Power Distribution Design Specifications." ʻO nā koi helu kikoʻī penei:
1. Ka mamao hana mua: 800mm ka liʻiliʻi (ke keʻena paʻa) a i ʻole 1000mm (ke ʻano drawer -type cabinet), e hōʻoia ana i ka lawa ʻana o nā wahi hana no nā limahana mālama i ka wā e kuʻi ai a kū paha (i kuhikuhi ʻia mai GB 50054, Māhele 4.2.5).
2. Ka mamao mālama hope: 600mm liʻiliʻi, a i ʻole 800mm inā makemake ʻia ke komo ʻana i ka puka hope.
3. Ka laula 'ao'ao 'ao'ao: No ka ho'onohonoho 'ana i nā lālani pālua, he 1000mm ka mamao ma waena o nā ke'ena; no ka hoʻonohonoho ʻana i ka lālani hoʻokahi -e pili ana i ka pā, pono e waiho ʻia ma nā ʻaoʻao he 200mm o ka ʻae.
Nā memo hou aku:
- Hoʻokumu ʻia ka 800mm o ka ʻae ʻana i mua ma ka awelika o ka lima o nā mākua (ma kahi o 700mm), me kahi ʻae no ka lawelawe ʻana i nā mea hana.
- Pono nā keʻena pahu huki-ʻano ʻokoʻa hou aku no ka mea pono e hoʻolōʻihi ʻia nā pahu huki.
II. Nā Koina Kūikawā no nā ʻAkeʻe Palekana Ma luna o nā -Voltage Cabinet
ʻAʻole ʻike pinepine ʻia ka ʻae ʻana ma luna o nā keʻena uila haʻahaʻa, akā he pilikia ia no ka hoʻoheheʻe ʻana o ka wela a me ka hoʻokaʻawale ʻana i ka volta kiʻekiʻe:
1. Hoʻomaʻemaʻe kiʻekiʻe:
- Nā pahu uila haʻahaʻa haʻahaʻa maʻamau: ʻOi aku ma mua o a i ʻole like me 300mm (koi hoʻoheheʻe wela);
- Ke loa'a ka -uila ki'eki'e ma luna o ke keena: 'Oi aku a i 'ole like me 1200mm (i kuhikuhi 'ia mai ka Pauku 4.3.3 o GB 50054).
2. Hoʻokomo ʻia ʻo Cable Tray ma nā ʻaoʻao o nā keʻena: Inā hoʻokomo ʻia nā pā kelepona ma luna o ka hale keʻena, ʻo ka mamao ma waena o ka pā kaula a me ka hale keʻena e ʻoi aku ka nui ma mua o a i ʻole like me 150mm no ka pale ʻana i ka lawe ʻana i ka wela mai ka hoʻopili ʻana i ka hana o nā lako.