A-01 Prefabricated Substation

1.Structure: Base + enclosure + roof; carbon steel/concrete/composite; with ventilation and cable entry/exit.

2.Surface: Three-proof coating (spray paint/enamel/powder); decorative cladding optional for residential areas.

3.Layout: Three compartments (HV/transformer/LV); π/μ/L-type; radial or RMU feeder.

4.HV Switchgear: HXGN15/XGN15/KYN28A-12; SF6/eco-gas/vacuum breaker options.

5.Transformer: Oil-immersed or dry-type; temp control, forced ventilation, safety barriers; LV feeders sized to capacity.

6.Compensation & Monitoring: Static/dynamic reactive compensation; CT/VT metering; DTU/RTU three-remote SCADA system.

7.Variants: PV box substation for renewable energy; general type for conventional distribution.

（1）

• Product Type: High and Low Voltage Power Distribution
• Project Name: Angola Lobito Refinery Unit & Overall Project Phase 2A Temporary Construction Project
• Customer Contract No.: BP-T24018-EA-E-02-037
• Longwell Contract No.: 26-02-07/LD-C-068-L
• Contract Product Name: 1 unit of Prefabricated Substation, 2 units of High Protection Class GGD Distribution Cabinet
• Contract Information: 500kVA Low Voltage  Incoming Cabinet 
• Model: XBZ1_013_12/0.4MF
• Applied Standard: GB 17467-2010
• Protection Class: IP34D, IP44, IP54
• Rated Capacity: 500kVA
• Rated Frequency: 50Hz
• Rated Current: 27.5A / 721.7A
• Rated Voltage: 10.5kV / 0.4kV
• Tag No.: 504 Staff Camp
• Dimensions: 4600*2500*2650 (LWH)
• Material: Stainless Steel 316
• Weight: 8500kg
• Production Date: 2026-03
• Product No.: D0256
  
  

（2） 

• Product Type: High-Voltage and Low-Voltage Power Distribution Equipment
• Project Name: Offshore Pipeline Company – Anti-Corrosion Workshop Outdoor Substation
• Classification Society: CCS (China Classification Society)
• Survey Certificate No.: TJ25VPS00517-03
• Customer Contract No.: 202515578787
• Longdian Contract No.: 25-06-01-LD-C-272
• Contract Goods Name: Packaged Substation (Unitized Substation / Prefabricated Substation)
• Contract Details:
  (1) Model: XBZ1-013-12/0.4MF
  (2) Applicable Standard: GB 17467-2020
  (3) Overall Dimensions (W × L × H): 3500 mm × 7000 mm × 2820 mm
  (4) Weight: 20,000 kg
  (5) Transformer Model: SCB18-1600 kVA + ZSCB18-1250 kVA

  

  

  

（3） 

• Product Type: High-Voltage and Low-Voltage Power Distribution Equipment
• Project Name: CNOOC Energy Development Company – Clean Energy Project
• Classification Society: CCS (China Classification Society)
• Customer Contract No.: 20241210-002
• Longdian Contract No.: 24-12-12/LD-C-660
• Contract Goods Name: Packaged Substation; Low-Voltage Grid-Connection Cabinet
• Contract Details:
• (1) Model: XBZ1-013-7.2/0.4MF
• (2) Applicable Standard: GB 17467-2010
• (3) Overall Dimensions (W × L × H): 2300 × 4800 × 2500 mm
• (4) Weight: 28,000 kg
• (5) Transformer Model: SCB14
• (6) Transformer Capacity: 630 kVA 

（4）

• Product Type: High-Voltage and Low-Voltage Power Distribution Equipment
• Project Name: CNPC Bohai Company – Zhaodong Project
• Classification Society: CCS (China Classification Society)
• Customer Contract No.: 20241210-002
• Longdian Contract No.: 24-06-05/LD-C-284
• Contract Goods Name: Skid-Mounted Packaged Substation for Submersible Pump Electrical Control Center

（5）

• Product Type: High-Voltage and Low-Voltage Power Distribution Equipment
• Project Name: CNOOC Maintenance Company – Large Mobile Containerized Power Center
• Customer Contract No.: —
• Longdian Contract No.: 18-12-05/LD-C-683
• Contract Goods Name: Mobile Power Center (Approx. 12 m in length, total weight approx. 25 t; equipped with 4 × 800 kVA transformers, high-voltage and low-voltage switchgear, and auxiliary systems)

（6）

• Product Type: High-Voltage and Low-Voltage Power Distribution Equipment
• Project Name:：Angela Project
• Longdian Contract No.：24-05-11/LD-C-235
• Contract goods — four units of box-type substations. Inspection and all required tests have been completed.
• Export packaging has been applied