Infrastructure
MV distribution for transport, municipal and other infrastructure projects.
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MV distribution for transport, municipal and other infrastructure projects.
Typical Project Inputs
Voltage, load, fault level, SLD, site conditions, protection requirements, quantity and delivery schedule.
Recommended Equipment
RMU & GIS
12–40.5kV project-specific selection.
MV Switchgear
Air- or gas-insulated solution according to SLD.
Compact Substation
Integrated MV transformer LV package where applicable.
Engineering Support
- Requirement and SLD review
- Equipment and configuration selection
- GA and technical document preparation
- Inspection and FAT coordination
- Packing and delivery documentation
Related Evidence
Only verified project, FAT, packing, shipment and application evidence will be linked.
Project Scenario
Airports, rail facilities, data centres, commercial complexes and public infrastructure require dependable medium-voltage distribution with clear operating logic and future expansion capability.
Typical Challenges
High continuity requirements, limited electrical-room space, multiple critical loads, cable routing constraints and phased commissioning.
Recommended Equipment
QCL RMU/GIS, XGN15-12 air-insulated RMU, medium-voltage switchgear, compact substations and low-voltage switchboards selected by system level.
Typical Voltage & Configuration
Typical schemes use dual incoming feeders, bus section, transformer feeders, metering and spare functional units according to the approved SLD. Final ratings, protection and panel arrangement are confirmed from the approved SLD and project specification.
Engineering and Delivery Support
SLD Review
Feeder functions, busbar rating, protection and metering review.
GA Drawing
Panel lineup, dimensions, cable entry and foundation interface.
Technical Clarification
Project-specific deviations, options and document schedule.
Testing & FAT
Agreed inspection, functional checks and FAT documentation.
Export Packing
Protected packing and shipping-section planning for international delivery.
Start the Technical Review
Send the SLD, voltage, fault level, current, quantity and installation conditions. Qiangchi will prepare a project-specific equipment recommendation.
Complete Engineering Solution Scope
Project Scenario
Transport, airports, ports, water facilities, commercial developments, public buildings and municipal distribution projects.
Typical Challenges
- Limited electrical-room space and civil interfaces
- High requirements for continuity, selectivity and phased construction
- Coordination of cables, controls, metering, testing and handover documents
Typical Voltage
Common project classes include 10/11/12kV, 20/22/24kV and 33/35/36/40.5kV. The applicable equipment class is confirmed from the nominal voltage, highest system voltage, insulation level and project standard.
Recommended Equipment & Products
QCL-12/QCL-24 compact GIS, QCL-40.5 for applicable higher-voltage interfaces, XGN15 AIS and YB-12 compact substations.
Review QCL-12, QCL-24, QCL-40.5, XGN15-12 and YB-12.
Typical Configuration
Utility incomers, ring feeders, transformer feeders, bus section, PT/metering and standby connections are configured to the approved project scheme.
SLD, GA Drawing & Technical Clarification
Qiangchi reviews the SLD, BOQ and specification, prepares a project-specific configuration and coordinates GA drawings, interface details, component schedule and technical clarifications before production release.
Manufacturing, Testing & FAT
Manufacturing follows the approved documents. Inspection and routine testing are completed according to the applicable product and agreed requirements. Customer or third-party FAT witness scope can be confirmed in the inspection plan.
Packing, Delivery & Handover
Equipment is prepared for export handling according to cabinet size, destination and transport method. Packing list, shipping marks, agreed test records and technical documents are coordinated before dispatch. Lead time is confirmed according to configuration and quantity.
Related Technical Guides
- How to Select MV Switchgear for EPC Projects
- Information Required for Quotation
- How to Read an RMU SLD
- GIS vs AIS Switchgear
Request a Infrastructure Technical Proposal
Upload the SLD, BOQ and specification for configuration review.