Power Distribution Equipment Selection Guide
Welcome to GangHeng's Power Distribution Equipment Selection Guide. This resource brings together product selection information for high-voltage switchgear, low-voltage switchgear and distribution equipment, transformer substations, transformers, busbar trunking systems, and cable tray systems.
Use this guide to review product types, technical specifications, configuration options, application functions, dimensions, and standard selection information before choosing equipment for your power distribution project. Each product-level guide is designed to help engineers, EPC contractors, electrical designers, and procurement teams identify suitable equipment more efficiently and prepare the technical information required for quotation and project configuration.
How to Use This Selection Guide
Start by identifying the type of power distribution equipment required for your project. Select the relevant product category below, then choose the product series or model that matches your voltage level, rated current, installation requirements, system configuration, and application.
Each product Selection Guide may include technical parameters, model code explanations, operating conditions, structural features, dimensions and weight, circuit schemes or configuration options, selection considerations, and ordering information, depending on the product.
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Step 1 - Identify The Equipment Category
Determine whether your project requires high-voltage switchgear, low-voltage switchgear, a transformer substation, a transformer, a busbar trunking system, or a cable tray system.
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Step 2 - Select The Product Series
Compare the available product series within the relevant category and identify the series that best matches your system voltage, current rating, installation method, protection requirements, and functional requirements.
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Step 3 - Review The Selection Guide
Open the corresponding product Selection Guide to review technical parameters, configuration information, dimensions, standard schemes, and other selection data.
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Step 4 - Confirm The Project Configuration
For a complete switchroom or distribution system, select the required incoming, feeder, tie, metering, protection, auxiliary, transformer, busbar, and cable management equipment as applicable to the project.
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Step 5 - Request a Customized Configuration
When project conditions fall outside the standard product specifications or standard configuration options, contact GangHeng's engineering team with your system voltage, rated current, single-line diagram, panel requirements, installation conditions, and other project requirements.
High Voltage Switchgear Selection
GangHeng's high-voltage switchgear range covers indoor metal-clad, metal-enclosed, withdrawable, fixed, handcart-type, ring main, and other high-voltage distribution equipment for different voltage levels and application requirements.
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35kV Indoor High Voltage Switchgear
A withdrawable metal-clad switchgear series for 40.5kV power distribution applications.
A fixed metal-enclosed switchgear series for 40.5kV distribution applications.
A withdrawable armored metal-clad switchgear series for 40.5kV systems.
A drawout high-voltage switchgear series for 40.5kV applications.
A handcart-type high-voltage switchgear series for 40.5kV distribution systems.
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10kV Indoor High Voltage Switchgear
A 12kV-class armored withdrawable metal-clad switchgear platform with standard circuit scheme configurations and project-specific configuration options.
A fixed metal-enclosed high-voltage switchgear series for 12kV-class distribution applications.
A fixed metal-enclosed switchgear series for 12kV-class power distribution applications.
A fixed high-voltage ring main switchgear series for distribution network applications.
A fixed high-voltage switchgear series with an anti-misoperation configuration.
Low Voltage Switchgear & Distribution Equipment Selection
GangHeng's low-voltage product range includes fixed and withdrawable switchgear as well as low-voltage distribution cabinets and distribution boxes for power distribution, control, and electrical installation applications.
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Low Voltage Withdrawable Switchgear
GCS Low Voltage Withdrawable Complete Switchgear
A withdrawable low-voltage switchgear series for distribution systems requiring modular units and convenient maintenance.
MNS Low Voltage Withdrawable Complete Switchgear
A withdrawable low-voltage switchgear series for modular power distribution and control applications.
GCK Low Voltage Withdrawable Complete Switchgear
A withdrawable low-voltage switchgear series for low-voltage distribution and control applications.
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Low Voltage Fixed Switchgear
GGD Low Voltage Fixed Complete Switchgear
A fixed low-voltage switchgear series for power distribution, control, lighting, and related low-voltage applications.
Low Voltage Distribution Cabinets and Boxes
XL Series AC Power Distribution Cabinet
An AC power distribution cabinet series for low-voltage electrical distribution applications.
GHD (XM / JX) Power Distribution Box
A power distribution box series for local electrical distribution and connection applications.
Transformer Substation Selection
Transformer substations integrate transformers and associated high- and low-voltage distribution equipment into a complete power transformation and distribution system.
European-Type Prefabricated Transformer Substations
YB-12 Prefabricated Transformer Substation
A European-type prefabricated transformer substation for integrated outdoor power transformation and distribution.
American-Type Prefabricated Transformer Substations
ZGS(YB)-12 Prefabricated Transformer Substation
An American-type prefabricated transformer substation for compact outdoor power transformation and distribution
Transformer Selection
GangHeng manufactures oil-immersed and dry-type transformers for power distribution systems and transformer substations. Select the relevant transformer type and review the corresponding Selection Guide for technical parameters and configuration information.
Oil-Immersed Transformer Selection
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S13 Series Oil-Immersed Transformers
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S20 Series Oil-Immersed Transformers
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S22 Series Oil-Immersed Transformers
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S11-M Series Oil-Immersed Transformers
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SZ11-M Series Load-Regulating Oil-Immersed Transformers
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SZ11-35kV Oil-Immersed Transformers
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35kV Double-Winding Load-Regulating Oil-Immersed Transformers
Dry-Type Transformer Selection
SCBH15 Series Dry-Type Transformers
SC(B)18 Series Dry-Type Transformers
SCB14-Nx2 Series Dry-Type Transformers
Compare Product Selection Options
Choosing the right electrical equipment depends on system voltage, rated current, short-circuit level, installation method, equipment function, available space, environmental conditions, and project standards.
Use the relevant product Selection Guide to compare these factors before finalizing your equipment selection.
Voltage and Rated Current
Confirm the system voltage and required rated current before selecting switchgear, transformers, busbars, or other distribution equipment.
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Short-Circuit and Withstand Requirements
Check the required short-circuit breaking capacity, short-time withstand current, and peak withstand current against the technical parameters of the selected equipment.
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Installation and Space Requirements
Review cabinet dimensions, cable entry arrangement, equipment access, maintenance space, busbar routing, and installation conditions before confirming the configuration.
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Functional Requirements
Identify whether the project requires incoming, feeder, bus-tie, metering, protection, isolation, auxiliary, transformer, or other functional configurations.
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Project-Specific Configuration
Where standard configurations do not fully match project requirements, provide the project single-line diagram and technical requirements so the engineering team can review the configuration.
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Why Use GangHeng's Selection Guides
Standardized Product Selection Information
Each product-level Selection Guide is organized around the technical information engineers and procurement teams need to evaluate equipment efficiently.
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Circuit Scheme and Configuration Information
For products with standard circuit schemes or configuration libraries, the Selection Guide can provide a structured reference for incoming, feeder, tie, metering, protection, and auxiliary configurations.
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Engineering and Customization Support
When standard specifications or configurations do not fully meet a project requirement, GangHeng can review project-specific conditions and provide a customized configuration.
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Support for International Projects
GangHeng manufactures high- and low-voltage electrical equipment and transformers according to applicable national and international requirements, with experience serving overseas projects.
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How to Select the Right Power Distribution Equipment
Start With the System Voltage
Determine whether the project requires low-voltage, 10kV-class, 35kV-class, or another applicable voltage level.
Define the Equipment Function
Determine whether the equipment is required for power receiving, distribution, transformation, bus coupling, metering, protection, cable branching, or another function.
Confirm the Electrical Ratings
Check rated voltage, rated current, short-circuit performance, insulation requirements, and other relevant electrical parameters.
Check the Physical Configuration
Confirm cabinet dimensions, cable entry, installation direction, maintenance requirements, and available installation space.
Review Standards and Environmental Conditions
Confirm the required product standards, ambient temperature, altitude, humidity, pollution level, seismic requirements, and other project conditions.
Request Engineering Confirmation
For complete distribution lineups, multi-panel systems, non-standard configurations, or special site conditions, provide the single-line diagram and project requirements for engineering review.
Frequently Asked Questions
Q: What Is A Power Distribution Equipment Selection Guide?
A: A power distribution equipment selection guide organizes the technical parameters, configuration information, application requirements, and selection considerations needed to identify suitable electrical equipment for a project.
Q:What Products Are Covered By GangHeng's Selection Guide?
A: The Selection Guide covers high-voltage switchgear, low-voltage switchgear and distribution equipment, transformer substations, transformers, busbar trunking systems, and cable tray systems.
Q: How Do I Select The Right Switchgear For My Project?
A: Start with the system voltage and rated current, then determine the required switchgear function, short-circuit rating, installation configuration, dimensions, and applicable project standards. Use the corresponding product Selection Guide for detailed technical information.
Q: Can GangHeng Provide A Customized Configuration?
A: Yes. When project conditions exceed standard specifications or standard configurations, provide your system information, single-line diagram, required ratings, installation conditions, and other project requirements so the engineering team can evaluate a customized configuration.
Q: Can The Selection Guide Be Used For Complete Switchroom Design?
A: The product-level guides are intended to support equipment selection and configuration. For complete switchroom lineups, the individual equipment selections can be combined with the project single-line diagram and panel arrangement for engineering confirmation.
Request a Technical Proposal
For project-specific equipment selection, configuration, or quotation, contact GangHeng with your system voltage, rated current, equipment quantity, single-line diagram, required product type, project standards, installation conditions, and delivery requirements.
Information To Provide
- System voltage
- Rated current
- Short-circuit level
- Equipment type and quantity
- Single-line diagram, if available
- Required configuration or circuit scheme
- Applicable standards
- Installation conditions
- Delivery location
- Required delivery date
Engineering Support
GangHeng's engineering team can review the submitted project information, identify suitable product series and configurations, and assist with technical selection for standard or customized requirements.
