Système de sous-station de type boîte de 1 600 kVA
1600 kVA · YB-S11-1600/10
Une sous-station typique de type boîte (compacte) de 1 600 kVA pour les grands sites commerciaux et les charges industrielles légères.
Nomenclature
| Equipment | Model | Specification | Qty | Price |
|---|---|---|---|---|
| Main substation | YB-S11-1600/10 | 1600 kVA · Box-Type · oil internal · S11 | 1 | Devis en temps réel |
| LV feeder panel | GGD-2500 | distributes 6 circuits | 1 | Devis en temps réel |
| PFC capacitor bank | 600 kVAR | automatic · GCK LV cabinet | 1 | Devis en temps réel |
| Series reactor (detuned) | CKSG-36.0/0.4 | 36.0 kVAR · 6% · 0.4 kV | 1 | Devis en temps réel |
| Main feeder cable (TX→LV) | YJV 0.6/1kV 300 mm² ×5 | 5× 300 mm² Cu · ΔU 0.90% @ 60 m · $154.0/m | 5 | Devis en temps réel |
| Feeder cable — LV feeder circuit 1 (×6) | YJV 120 mm² ×2 | 2× 120 mm² Cu · 481 A · ΔU 1.2% · $68.8/m | 12 | Devis en temps réel |
| Main busbar (Cu) | Cu 125×10 | 125×10 · 2500 A rating · ref $147.8/m | included | Devis en temps réel |
| Grounding electrode | Φ20mm × 2.5m rod | R₁ 39.6 Ω → 13 rod(s) ≤ 4 Ω | 13 | Devis en temps réel |
Les prix exacts sont calculés en temps réel par le calculateur de sélection et de devis instantané — entrez vos paramètres réels pour un devis FOB précis.
Étapes de conception
1. Loads: P=1,600 kW, PF 0.80, 6 circuits
2. Demand: 1,600 × 0.8 = 1,280 kW
3. PFC: Qc = 1,280 × (0.750 − 0.329) = 539 kVAR → 600 kVAR bank
4. Transformer: S = 1,280 ÷ 0.95 = 1347.4 kVA → 1,600 kVA standard
4b. Loading: 1,347 ÷ 1,600 = 84% (good range)
4c. Voltage regulation: 84% × 4% × sinφ ≈ 1.1% at full load
5. HV unit integrated in substation (In 92.4 A)
6. LV: In 2309 A, Isc 53.5 kA (Xfmr Z 4% + system 0.3%) → GGD-2500 (integrated), 1 feeder panel(s)
7. Grounding: R₁ 39.6 Ω → 13 rod(s)
8. Main feeder: 5× 300 mm² · ΔU 0.90% — OK
Notes de conception
Pricing basis: FOB Qingdao (EXW) equipment price. Freight, duty and installation are not included — add for landed economics.
Transformer loading: 84% at design demand — good range.
Short-circuit check: HV 28.9 kA vs 31.5 kA (1.1× margin) · LV 53.5 kA vs 65 kA (1.2× margin).
Voltage regulation: ≈ 1.1% at full load (typical limit 5%).
Power factor correction: 600 kVAR automatic bank corrects PF to 0.95.
Parallel conductors: Single-cable ampacity exceeded — parallel conductors specified: main feeder 5× 300 mm², LV feeder circuit 1 2× 120 mm², LV feeder circuit 2 2× 120 mm², LV feeder circuit 3 2× 120 mm², LV feeder circuit 4 2× 120 mm² … +2 more (per IEC 60364-5-52 / GB 50054).
Cable & grounding pricing: Cable conductors and grounding are priced from the confirmed cables-trays-grounding price reference (per-metre copper YJV; aluminium remains POA). The main copper busbar is POA — its length is project-specific.
Busway (high-current feeders): For LV feeders above ~2500 A, a busway (母线槽) trunking system is recommended instead of parallel cables.
Diagramme unifilaire
Concevoir et devis ce système en temps réel
Entrez vos paramètres de charge réels pour obtenir la liste exacte des équipements et le prix FOB.