I. Project Background

The Training Complex Building in the West Campus of Guangxi Vocational and Technical University of Agriculture required the construction of a supporting substation and power distribution system. The core project requirements were:

Equipment Configuration:

High-Voltage System: 4 units of KYN28-12 Armored Withdrawable Switchgear

Low-Voltage System: 17 units of SWGCS Withdrawable Switchgear

PV Integration: 1 unit of AP01 PV Grid-Connection Cabinet

PV Integration: 22 units of Complete High and Low-Voltage Enclosures

Environmental Conditions: Daily average humidity in the Nanning area ≤ 95%

Functional Objective: To handle diverse electrical loads including teaching/training equipment and PV grid integration.

II. Customer Pain Points

Multi-Scenario Power Supply Compatibility: Needed to simultaneously accommodate training equipment and fluctuating PV power sources.

High-Humidity Environment Safety Risks: High year-round humidity in Nanning increases the risk of condensation leading to insulation faults.

Space Utilization Limitations: The limited space required compact equipment supporting future expansion.

III. Proposed Solution

1. Core Equipment Selection

KYN28-12 High-Voltage Switchgear

Key Technical Features: Aluminum-zinc coated steel plate construction; Mechanical interlocking; Cable chamber accommodates multiple single-core cables.

Addressed Pain Points: Corrosion resistance in high-humidity environments; Operational safety protection.

SWGCS Low-Voltage Switchgear

Key Technical Features: Modular withdrawable structure; Operating temperature range -15°C to +40°C; Rated current up to 6300A.

Addressed Pain Points: Compact layout; Flexible load expansion.

PV Grid-Connection Cabinet

Key Technical Features: Delixi-grade protection components; Customized PV bracket structure.

Addressed Pain Points: Safe integration of renewable energy sources.

IV. Customer Value

Safe Operation Assurance: Successful operation without condensation alarms; High-voltage switchgear mechanical interlocking passed all verification tests.

Flexible Expansion Capability: SWGCS modular structure supports future capacity increases.

Efficient Delivery Outcome: Successful initial power-on.