Ani okɛ ekãa tsiɔ ohe kɛjɛɔ shikpɔŋ nɔ kɛtsɔ shweshweeshwefeemɔ he gbɛtsii nii ni okɛwoɔ mli lɛ nɔ kɛkɛ? Nɛkɛ enyɔ nɛɛ jeee sanebimɔi ni mɔ kome halaa kɔkɔɔkɔ!

"Ani Control Cables ni yɔɔ Cabinet Room lɛ mli lɛ baanyɛ ahi shi ni bɛ shikpɔŋ nɔ kɛ shweshweeshwefeemɔ gbɛtsii nii? Mɛi komɛi heɔ amɛyeɔ akɛ "kɛ shweshweeshwefeemɔ gbɛtsii nii kɛha surge hebuu kɛ nibii ni tsiɔ mɔ naa lɛ, shikpɔŋ ni kudɔɔ cable shielding layers lɛ baanyɛ afee casually." Shi kɛlɛ, shishitoo mlai ni sa lɛ tsɔɔ taomɔ nii kɛ gbɛi ni atsɔɔ nɔ akudɔɔ cabinet lɛ shielding lɛ mli lɛ mli faŋŋ. Ani shikpɔŋ ni akɛwoɔ tsɔne ni akɛkwɛɔ nibii anɔ lɛ mli tsɔne ni akɛbuɔ he lɛ mli lɛ kɛ shweshweeshwefeemɔ he gbɛtsii nii ni yɔɔ lɛ yɔɔ tsakpaa?Ŋmɛnɛ, wɔhaa nɔ fɛɛ nɔ ni kɔɔ tsɔnei ni akɛkwɛɔ nibii anɔ lɛ ahe nibii ni buɔ mɔ he lɛ ni akɛwoɔ shikpɔŋ nɔ yɛ kabinet tsu lɛ mli lɛ mli lɛ mli feɔ faŋŋ.”

Shikpɔŋ ni akɛbuɔ shielding layer ni akɛkudɔɔ waya kpãi lɛ yɛ kabinet tsu lɛ mli lɛtitri lɛ, etsuɔ ​​nii koni ekɛte shi ewo nibii ni kɛ ehe woɔ mli lɛ, kɛ nitsumɔi kɛ yiŋtoi pɔtɛɛ ni nyiɛ sɛɛ nɛɛ:

1.Electromagnetic naatsii ni jɛɔ kponɔgbɛ lɛ naatsii: Kɛji akɛ eshɛ shikpɔŋ lɛ, shielding layer lɛ tsuɔ nii tamɔ "gbɛtsii nii," ni etsɔɔ currents ni electromagnetic ni jɛɔ kponɔgbɛ lɛ kɛbaa lɛ mli kɛyaa shikpɔŋ lɛ nɔ, ni no tsiɔ naatsii okadii lɛ anaa koni amɛkabote waya kpã lɛ mli ni enaa bɔ ni akudɔɔ okadii lɛ anɔ hewalɛ.

2.Nibii ni yɔɔ mli lɛ ni atsĩɔ naa koni amɛkatsi nibii ni yɔɔ kponɔgbɛ lɛ anaa: Okadii ni akɛtsɔɔ waya kpã lɛ mli lɛ baanyɛ ajie tsɔne ni haa hulu kpɛɔ lɛ kpo. Shikpɔŋ nɔ nibii ni buɔ mɔ he lɛ baanyɛ atsĩ ŋmɔji nɛɛ anaa koni amɛkagbɛ amɛshwã kponɔgbɛ, ni ekɛ nibii ni ebɔle amɛhe lɛ akafite.

3.Nibii ni akɛtsuɔ nii kɛ nitsulɔi ahe shweshweeshwefeemɔ he buu: Kɛ́ shielding layer lɛ bɛ shikpɔŋ nɔ lɛ, static buildup loo voltages ni ejaaa baanyɛ aha nibii lɛ akatsu nii jogbaŋŋ. Grounding tsiɔ charges ni fa fe nine lɛ kɛyaa shikpɔŋ lɛ nɔ, ni ehaa shweshweeshwefeemɔ he osharai baa shi.

Taomɔ nii kɛ nifeemɔi kɛha shielding layers ni kudɔɔ waya kpãi yɛ kabinet tsu lɛ mli:

1.GB 50093-2013 "Mlai kɛha tsumaa kɛ otomashin nibii ahe nitsumɔ he kpɛlɛmɔ kpakpa

10.2.10 Akɛ shielding layer ni ji nibii ni akɛtsuɔ nii lɛ ahe wayai kɛ wayai lɛ awo shikpɔŋ yɛ nɔkwɛmɔ tsu lɛ mli panel/kabinet lɛ fã lɛ nɔ. Shielding layer ni yɔɔ kpokpaa kome too lɛ nɔŋŋ mli lɛ baaná tsɔne ni anyɛɔ akɛ he fɔ̃ɔ nɔ ni yaa nɔ, ni esaaa akɛ ashiɔ lɛ ni efoɔ loo ekɛ shikpɔŋ lɛ shwieɔ shi shii abɔ.

10.2.11 Akɛ tawuu nii ni akɛwoɔ tsɔne mli lɛ awo shikpɔŋ nɔ koni abu he yɛ naagbeehei enyɔ lɛ fɛɛ.

10.2.12 Yɛ teŋgbɛ tsɔnei ni akɛtswaa adaka lɛ amli lɛ, esa akɛ akɛ tsɔne ni akɛtswaa tsɔne lɛ mli fãi ni aja mli lɛ atsake tsɔne ni akɛtswaa tsɔne lɛ mli fãi ni kɛ amɛhe kpãa gbee lɛ ni kɛ amɛhe kpãa gbee lɛ kɛtsɔ tsɔnei ni akɛtswaa tsɔne lɛ nɔ. Akɛ shielding layers srɔtoi lɛ baatsake amɛhe ni akɛfutuuu mli, ni akɛ nɔ ko ni tsiɔ amɛhe kɛjɛɔ he lɛ baawo mli.

10.2.13 Kɛji akɛ taomɔ nii ni teɔ shi woɔ nibii ni kɛ amɛhe woɔ mli lɛ yɛ lɛ, esa akɛ akɛ spare cores ni yɔɔ multi-core cables lɛ amli lɛ awo shikpɔŋ yɛ he kome. Kɛha waya kpãi ni akɛbuɔ he lɛ, esa akɛ spare cores lɛ kɛ shield layer lɛ awo shikpɔŋ yɛ he kome.

2.SH/T 3081-2019 "Mla ni ato he gbɛjianɔ kɛha nibii ni akɛtsuɔ nii yɛ shikpɔŋ nɔ yɛ mu kɛ tsofafeemɔ nitsumɔhei"

WOJI KPAKPAMƆ A

(Saji Krokomɛi ni Atsɔɔ Mli)

Shikpɔŋ he mfoniri ni akɛbu he

Shielding layer ni yɔɔ multi-core main cable lɛ mli lɛ yaa nɔ ekɛ kabinet tsu lɛ tsaa taakɛ atsɔɔ yɛ mfoniri A-1 lɛ mli lɛ. Ajara tsɔne ni akɛbuɔ he ni yɔɔ tsɔne lɛ mli lɛ mli ni akɛtsa adeka lɛ kɛ tsɔne lɛ mli tamɔ bɔ ni atsɔɔ yɛ mfoniri A-2 lɛ mli lɛ. Shielding layer ni yɔɔ multi-core main cable lɛ mli lɛ yaa nɔ ekɛ kabinet tsu lɛ tsaa taakɛ atsɔɔ yɛ mfoniri A-3 lɛ mli lɛ. Ajara tsɔne ni akɛbuɔ he ni yɔɔ ŋwɛi ŋta lɛ mli lɛ mli ni akɛtsa adeka lɛ kɛ ŋtayaa tsu lɛ mli taakɛ atsɔɔ yɛ mfoniri A-4 lɛ mli lɛ.

Atsɔɔ gbɛtsɔɔmɔi ni kɔɔ waya he kɛha shield layer ni yɔɔ Mfoniri A-1 kɛyashi A-4 lɛ mli yɛ Table A. Nitsumɔhe nine waya kpã ni jɛɔ ŋmɔ mli dɛŋdade lɛ mli kɛyaa junction box lɛ ji shield waya kome loo armored shield cable kome. Armored cables ni boteɔ junction box lɛ mli lɛ kɛ cable joints ni yɔɔ shikpɔŋ nɔ tsakpaai tsuɔ nii koni shikpɔŋ nɔ tsakpaai afee mlɛo. Esa akɛ akɛ nitsumɔhe nine lɛ kpã fɛɛ kpã ni yɔɔ Saji Krokomɛi A-2 kɛyashi A-4 lɛ mli tsɔnei ni buɔ mɔ he lɛ abɔ he yɛ tsɔne ni akɛtswaa tsɔne lɛ he lɛ mli kɛtsɔ tsɔnei ni akɛtswaa tsɔnei loo tsɔnei ni akɛwoɔ tsɔne mli lɛ anɔ.

Akɛ nitsumɔhe nine lɛ kpãai kɛ kpãai wuji lɛ ahe tsɔnei ni buɔ mɔ he lɛ baanyɛ atsake ni akɛwo shikpɔŋ yɛ nɔkwɛmɔ tsu lɛ mli, loo akɛto he srɔtoi yɛ tsɔne ni akɛkpeɔ kɛ nɔyeli tsu lɛ mli tsɔne ni kɛ fã lɛ woɔ shikpɔŋ lɛ mli lɛ mli.

Nitsumɔhe nine kpã ni yɔɔ Mfoniri A-1 lɛ mli lɛ mli tsɔne ni tsiɔ ehe lɛ kɛ tsɔne wulu lɛ mli tsɔne lɛ kpãa gbee, ni nitsumɔhe nine kpã ni yɔɔ Mfoniri A-3 lɛ mli tsɔne ni tsiɔ ehe lɛ kɛ tsɔne wulu ni yɔɔ tsɔne ni akɛtswaa tsɔne lɛ mli lɛ mli tsɔne lɛ kpãa gbee. Akɛ shielding layer ni tsa nɔ kwraa lɛ ewo shikpɔŋ yɛ control room cabinet lɛ mli yɛ naagbee lɛ eko nɔ.

Akɛ nitsumɔhe nine lɛ kpãi ni yɔɔ Mfoniri A-2 kɛ A-4 lɛ mli lɛ ahe tsɔne ni akɛbuɔ he lɛ ema shikpɔŋ yɛ naagbee kome yɛ tsɔne ni akɛkpeɔ lɛ mli, yɛ be mli ni kpã wulu ni yɔɔ Mfoniri A-2 lɛ mli lɛ kɛ kpã wulu ni yɔɔ Mfoniri A-4 lɛ mli lɛ mli tsɔne ni akɛbuɔ he lɛ ewo shikpɔŋ yɛ naagbee kome yɛ tsɔne ni akɛkwɛɔ nibii anɔ lɛ mli.

Akɛ armor layer ni yɔɔ cable wulu lɛ mli lɛ ewo shikpɔŋ yɛ naagbeehei enyɔ lɛ fɛɛ taakɛ Article 4.4.1 lɛ tsɔɔ lɛ, ni akɛ dade cable tray lɛ ewo shikpɔŋ yɛ naagbeehei enyɔ lɛ fɛɛ taakɛ Article 4.1.8 lɛ tsɔɔ lɛ, ni akɛ shikpɔŋ lɛ woɔ shikpɔŋ shii abɔ daa 30m.

Okpɔnɔ nɔ A Wiring Gbɛ Kɛha Shielding Layer

Tsɔne he nilee nitsumɔ kɛ shihilɛ mli mfonirii ni yɔɔ jɛmɛ:

Shikpɔŋ ni yɔɔ shielding layer ni yɔɔ control cable lɛ mligbɛ yɛ kabinet tsu lɛ mli lɛ kɛ shweshweeshwefeemɔ he gbɛtsii nii (Gbɛtsii nii ni akɛtsiɔ mɔ kɛjɛɔ hes, surge hebulɔi, kɛ ekrokomɛi) lɛ ji nɔ ni ato he gbɛjianɔ. Ja taomɔ nii krɛdɛɛi komɛi yɛ gbɛjianɔtoo he woji lɛ amli, ni esa akɛ atsu he nii pɛpɛɛpɛ yɛ bɔ ni atsɔɔ mli lɛ naa.