MEDIUM-VOLTAGE SOLUTION
Organize incoming power, feeder protection, and transformer-side distribution
Medium-voltage projects often face uncertainty around feeder quantity, protection coordination, cable entry direction, and future expansion. This solution helps turn the single-line diagram into a practical switchgear arrangement using KYN28-12 switchgear, XGN/HXGN ring main units, and cable distribution equipment.
- Clarify where power enters, branches, and terminates
- Match cable branch boxes to feeder quantity and environment
- Reserve practical outgoing positions for future expansion
Feeder Layout Is Unclear
Incoming, outgoing, metering, and transformer feeders need a logical cabinet sequence.
Protection Needs Coordination
Relay protection should match transformers, downstream switchgear, and cable routes.
Cable Access Is Limited
Cable entry direction and operating clearance must match the power room.
Expansion Is Not Reserved
Future feeders should be considered before cabinet production.
Balanced Medium-Voltage Distribution Equipment Set
Switching and feeder control
Coordinates medium-voltage incoming and outgoing feeder circuits.
- Route mapping before product selection
- Branch point and protection interface coordination
- Cable connection matched to voltage level
XGN-12 Ring Main Unit
Medium-voltage cable route
Supports feeder connection and project-side power transmission.
High Voltage Power Cable
Branch protection interface
Supports branch points requiring switching and fuse coordination.
Cable Branch Box with Load Break Switch and Fuse
Medium-voltage route connection
Typical Project Use
Suitable for projects where medium-voltage switching and protection affect the reliability of the full distribution system.
Requirement Review
Confirm power source, load branches, and transformer arrangement.
- Feeder branching
- Outdoor nodes
- Grid expansion
Protection Coordination
Match relay functions with upstream and downstream equipment.
- Workshop routes
- Outdoor cabinets
- Reserved feeders
Cabinet Layout
Review panel sequence, cable access, and operating clearance.
- Long-route supply
- Monitoring loads
- Maintenance access
Requirements to Confirm Before Configuration
The page is built around the questions project teams usually need to answer before confirming medium-voltage equipment.
Project Inputs
A medium-voltage solution should coordinate switching, protection, metering, cable access, and transformer connection as one system rather than separate cabinet items.
Configuration Focus
Confirm voltage level, rated current, short-circuit capacity, feeder quantity, protection functions, and cable direction before finalizing the cabinet lineup.
Interface Coordination
Dongfang Electric Power supports requirement review, technical drawings, manufacturing coordination, testing documentation, packing information, and delivery communication for project-based equipment supply.
Documentation Needs
Dongfang Electric Power supports requirement review, technical drawings, manufacturing coordination, testing documentation, packing information, and delivery communication for project-based equipment supply.
Configuration Items That Can Be Reviewed
Dongfang Electric Power supports requirement review, technical drawings, manufacturing coordination, testing documentation, packing information, and delivery communication for project-based equipment supply.
Electrical Parameters
- Voltage level
- Rated current
- Short-circuit requirement
- Protection interface
Equipment Interface
- Cable entry direction
- Branch quantity
- Enclosure style
- Grounding requirement
Site Conditions
- Indoor or outdoor use
- Rain and dust protection
- Maintenance clearance
- Trench layout
Delivery Documents
- Technical drawings
- Nameplates and labels
- Packing information
- Handover files
How We Build the Right Configuration
The solution is developed step by step so that equipment selection, cabinet structure, installation conditions, and project documentation stay aligned.
Requirement Review
Confirm power source, load branches, and transformer arrangement.
Protection Coordination
Match relay functions with upstream and downstream equipment.
Cabinet Layout
Review panel sequence, cable access, and operating clearance.
Documentation Support
Prepare drawings, wiring diagrams, and equipment identification.
Open Product Pages for Detailed Information
Open related product pages to review detailed descriptions, application information, and configuration requirements.
Cable Branch Box with Load Break Switch and Fuse
Supports branch points requiring switching and fuse coordination.
European Style Cable Branch Box
Supports outdoor cable branching and distribution node organization.
JP Outdoor Integrated Distribution Cabinet
Supports transformer-side distribution and metering interfaces.
Typical Application References
These are scenario references for solution planning, not named customer case claims. Each entry shows where this solution type is commonly considered.
Power Utilities & Grid Infrastructure
Medium-Voltage Distribution can support project planning for power utilities & grid infrastructure where electrical distribution reliability, configuration clarity, and maintenance access matter.
Industrial & Process Industries
Medium-Voltage Distribution can support project planning for industrial & process industries where electrical distribution reliability, configuration clarity, and maintenance access matter.
Urban & Commercial Infrastructure
Medium-Voltage Distribution can support project planning for urban & commercial infrastructure where electrical distribution reliability, configuration clarity, and maintenance access matter.
Need Help with Medium-Voltage Distribution?
Send your drawings, voltage level, capacity, installation environment, and delivery requirements. We will help review a practical configuration for this solution.