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Kpọmkwem kwem ụfọdụ nke mgbakwụnye osimiri na-akọta: Egwuregwu FCL (Ultra-Fast Current Limiter) na Ụzọ Mmere Nke Ha

  1. Ukwu Nke Mba Ụzo: Nkume n'ụzọ Ụgwọ Nke Pụrụ Ichi Tradisi

N'ime ihe gbasara ndụ ụka aha, maka ọtụtụ mgbe na ebe ndị oyi dị ka onye ekwe ihe ọhụrụ na agbanyeghị obodo, ọ bụla nwere ụdị iji kọnyere ọnụọgụ mgbalị dị iche iche ma ọ bụ generator n'ezie iji enye ọṅụ ụka zuru oke na ikike nke ụka. Mana, ọ ga-enye ụfọdụ ọhụrụ nke ụzọ ụgwọ pụrụ ichi, e ji ete mmadụ ụgwọ pụrụ ichi (e.g., ụgwọ pụrụ ichi nke ọṅụọgụ / ụgwọ pụrụ ichi nke ọhụrụ) nke ọrụ dị ka switchgear, circuit breakers, na transformer.

Ụzọ dị elu nwere ụfọdụ nkume:

  1. Ụzọ Circuit Breaker Tradisi:​​ Ọhụrụ ha nwere otu ụwa na atọ n'ụwa ọkachasị, enweghị ike ịkọwaa ụsụ ụgwọ pụrụ ichi nke mbụ (peak current). Ọrụ enwere ike ịkpata ụsụ ụgwọ pụrụ ichi na ụsụ ọhụrụ, nwere ike ịkpata ọrụ.
  2. Current Limiting Reactors:​​ Kama ha nwere ike ịkọwaa ụgwọ pụrụ ichi, ha na-ekwu n'ụzọ nke ọma nke ụgwọ (na-enye ụgwọ) n'ụzọ ọma, ụsụ ọhụrụ (nwere ike ịkpata ụsụ ụka), na ụsụ ọhụrụ. Ha nwere ike ịkpata ụsụ n'ụzọ generator, na-enye ụsụ ọhụrụ na ụsụ ọhụrụ.
  3. Kpọmkwem Okwu Ọrụ:​​ Kpọmkwem okwu ọrụ dị ka switchgear ma ọ bụ transformer iji ịkọwaa ụgwọ pụrụ ichi nke ọmụmụ nwere ụsụ ọhụrụ, ọ nwere ụsụ ọhụrụ, na-enye ụsụ ọhụrụ ụka.

II. Ụzọ Gbasara: Nke Oge Ukwu Ụzọ Ultra-Fast Current Limiter (FCL)​

Ultra-Fast Current Limiter (FCL) nwere ụzọ nke a bụ ọrụ akụkọ na-enyere "fast switch" na "current-limiting fuse." Ọ nwere ike ịkọwaa ụsụ ụzọ ahụ, ọ na-enye ụsụ ọhụrụ n'ụzọ "millisecond-level breaking" na "full lifecycle economic benefits."

Nke Oge Ukwu Ụzọ:​

  • Ultra-Fast Protection, Eliminating Peak Current Impact:​​ Ọ nwere ike ịkọwaa ụsụ ụgwọ pụrụ ichi nke mbụ n'otu ụwa, ọ nwere ike ịkọwaa ụsụ ụgwọ pụrụ ichi nke ọhụrụ. Ọ na-enye ụsụ ọrụ dị ka switchgear, CTs, na cable joints n'ụsụ ụgwọ pụrụ ichi, ọ bụrụ na ụzọ circuit breaker tradisi enweghị ike ịkọwaa ụsụ a.
  • Significant Economic Benefits and Energy Savings:​​ FCL na-enyere ụgwọ pụrụ ichi n'ụzọ ọma. N'ụzọ ọma, ụgwọ na-eburu n'ụzọ FCL (near-zero loss); n'ụzọ ụgwọ pụrụ ichi, FCL na-ekwu n'ụzọ ọhụrụ, ụgwọ na-eburu n'ụzọ reactor iji ịkọwaa ụsụ. Ụzọ a na-enye ụsụ ọhụrụ ụgwọ, ọ na-enye ụsụ ọhụrụ nke ụzọ ọhụrụ.
  • High Reliability and Maintenance-Free Design:​​ Ọ nwere ụsụ ọhụrụ n'ụzọ ọma n'ụwa ọtụtụ. Ụzọ ọrụ ya, conductive bridge, na-enyere ụzọ ọhụrụ. N'ụzọ ọrụ, ọ bụrụ na ọ nwere ike ịkọwaa ụsụ ọrụ, ọ nwere ụsụ ọhụrụ, ọ na-enye ụsụ ọhụrụ ụzọ ọrụ.
  • Broad Scenario Adaptability:​​ Ọ bụ ụzọ ọhụrụ ma ọ bụ ụzọ ọhụrụ nke ọkachamara ịkọwaa ụsụ ụgwọ pụrụ ichi n'ụzọ ọtụtụ, dị ka ụzọ ọrụ nke ọtụtụ transformer ma ọ bụ ụzọ ọrụ nke ọhụrụ.

III. Ụzọ Ọhụrụ Na Ụzọ Gbasara

Ụzọ Ọhụrụ

Nke Oge Ukwu Ụzọ

Ụzọ FCL

1. Bus Sectionalizing / Transformer Parallel Operation

Ụzọ ọrụ nke ọtụtụ transformer na-enye ụsụ ụgwọ pụrụ ichi nke ọhụrụ, ọ nwere ike ịkọwaa ụsụ ọrụ nke ọhụrụ (e.g., cabinet withstands 2Ik, 4 parallel units can reach 4Ik).

Ịkpụta FCL n'ụzọ ọhụrụ (e.g., between sections 1-2 and 3-4). Ọ na-enye ụsụ ọhụrụ n'ụzọ ọma; n'ụzọ ụgwọ pụrụ ichi, ọ na-ekwu n'ụzọ ọhụrụ, ịkọwaa ụsụ ụgwọ pụrụ ichi nke ọhụrụ banyere ụzọ ọhụrụ ụka.

2. Bypassing Current Limiting Reactors

Ụzọ ọrụ nke ọhụrụ na-enye ụsụ ụgwọ pụrụ ichi nke ọhụrụ n'ụzọ ọma.

Ịkpụta FCL n'ụzọ ọhụrụ nke ọrụ. N'ụzọ ọma, FCL na-eburu, ịkọwaa ụsụ ọhụrụ; n'ụzọ ụgwọ pụrụ ichi, FCL na-ekwu, ụgwọ na-eburu n'ụzọ ọrụ iji ịkọwaa ụsụ.

3. Grid and Captive Power Source Connection Point

Ụzọ ọrụ nke ọhụrụ na-enye ụsụ ụgwọ pụrụ ichi nke ọhụrụ n'ụzọ ọhụrụ, ọ nwere ike ịkọwaa ụsụ ọrụ nke ụka.

Ịkpụta FCL n'ụzọ ọhụrụ ụzọ ọhụrụ. Ụzọ ọhụrụ na-enye ụsụ ọhụrụ, ọ nwere ike ịkọwaa ụsụ ọhụrụ ụka.

4. Power Plant or Large Factory Feeders

Ụsụ ụgwọ pụrụ ichi nke ọhụrụ nke ụzọ ọhụrụ ọrụ na-enye ụsụ ọhụrụ ụka.

Ịkpụta FCL n'ụzọ ọhụrụ ụzọ ọhụrụ ọrụ, ọ na-enye ụsụ ọhụrụ ụka, ọ na-enye ụsụ ọhụrụ ụka.

IV. Ụzọ Ọrụ Na Ụzọ Gbasara

  1. Ụzọ Ọrụ Brief Analysis:​
    Ụzọ ọrụ na-enye ụsụ ụgwọ (I) na ụsụ ụgwọ (di/dt) n'ụzọ ọma. Ọ na-enye ụzọ ọhụrụ - ọ nwere ike ịkọwaa ụsụ ọhụrụ n'ụzọ ọhụrụ - ọ na-enye ụsụ ọhụrụ. N'ụzọ ọrụ, ụzọ ọrụ na-ekwu n'ụzọ ọhụrụ, ụgwọ na-eburu n'ụzọ ọhụrụ, ọ na-enye ụsụ ọhụrụ ụgwọ pụrụ ichi.
  2. Supply Models and Selection:​
    Ụzọ ọhụrụ nwere ụzọ ọhụrụ n'ụzọ ọhụrụ ọrụ:
    • Discrete Component Type:​​ Ụzọ ọhụrụ nwere ụzọ ọhụrụ ọrụ, ọ na-enye ụsụ ọhụrụ ụka.
    • Drawout Type (Truck Mounted):​​ Ụzọ ọhụrụ ọrụ, ụzọ ọrụ na-ekwu n'ụzọ ọhụrụ, ọ na-enye ụsụ ọhụrụ ụka.
    • Fixed Cabinet Type:​​ Ụzọ ọhụrụ ọrụ, ọ na-enye ụsụ ọhụrụ ụka.
  3. Key Selection Parameters (Example):​

Ụzọ Ọrụ

Unit

12kV / 17.5kV System

24kV System

36kV / 40.5kV System

Ụzọ Ọrụ

kV

12 / 17.5

24

36 / 40.5

Ụzọ Ụgwọ

A

1250 - 5000¹

2500 - 4000¹

1250 - 3000¹

Maximum Breaking Capacity

kA (RMS)

210

210

140

Note ¹: Forced air cooling is required for rated currents exceeding 2000A.

       

V. Summary

Ultra-Fast Current Limiter (FCL) ọ bụ ụzọ ọhụrụ nke ọrụ, ọ na-enye ụsụ ọhụrụ ụka. N'ụzọ ọhụrụ, ọ na-enye ụsụ ọhụrụ ụka, ọ na-enye ụsụ ọhụrụ ụka. N'ụzọ ọhụrụ, ọ na-enye ụsụ ọhụrụ ụka, ọ na-enye ụsụ ọhụrụ ụka. Ọ bụ ụzọ ọhụrụ ọrụ, ọ na-enye ụsụ ọhụrụ ụka.

08/26/2025
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