Guangxi Zhuang Autonomous Region Museum Reconstruction and Expansion Power Distribution Project
1. Guangxi Zhuang Autonomous RegionMuseum Overview
The Museum of Guangxi Zhuang Autonomous Region (founded in 1934) is one of the first batch of national first - class museums and a national AAAA - level tourist attraction. It undertakes the functions of cultural relic collection, protection, research and public cultural services. After the reconstruction and expansion in 2022, the new museum has a construction area of 33,000 square meters and is equipped with:
Core Functional Area: Exhibition area (includingthe special exhibitions such as “Exhibition of Ancient Civilization in Guangxi” and “The Maritime Silk Road in the Han Dynasty”), cultural relic storage (nearly 100,000 collections, including 148 first - class cultural relics), interactive service area (Children's Archaeology Museum/History Mini - Theater);
Special Environmental Requirements: For the preservation of cultural relics, it requiresconstant temperature and humidity around the clock (precision air - conditioners/dehumidifiers), digital exhibition halls (VR devices/large - scale screens) and uninterrupted power supply for the security system;
Public Safety Requirements: With an annual passenger flow of over180,000 people, the power distribution in the open areas should comply with the GB7251.12 safety specifications for public places.
2. Core Power Distribution Requirements
High Reliability:Ensure zero - interruption operation of the equipment for the preservation environment of cultural relics (a total load of 5500kW);
Flexible Expandability:Support the rapid connection of subsequent new loads such as digital exhibitions;
Safety Protection:Eliminate the risk of electric shock in public areas;
Space Adaptation:The space of the power distribution room in the historical building is limited.
Applied Products
SWGCS Low - voltage Draw - out Switchgear
The scheme advocates
Customer value
1. Hot and humid environment risks
The original distribution cabinet is in the high humidity environment of Guangxi in summer (humidity>80%), there is a risk of condensation, which threatens the stability of constant temperature and humidity equipment.
4.Operation and maintenance conflicts
Maintenance requires closing the venue and power outage, which affects the continuity of public services.
1. Improvement of critical load reliability
− The fully enclosed structure reduces the interference of the hot - and - humid environment on the power supply circuit of the constant temperature and humidity system, ensuring the stability of the cultural relic preservation environment.
2. Meeting safety and compliance standards
− Through the drawer isolation mechanism and grounding system configuration, it meets the GB7251.12 - 2013 Electrical Safety Standard for Public Places.
3. Long-term economic optimization
− Modular expansion capability reduces the cost of subsequent transformation when the load increases, avoiding duplicate investment.
4. Sustainable public services
− Live maintenance capability eliminates the need for maintenance closures, aligning with museum opening timestimeRequire.
2. Security and compliance gap
There is a risk of exposed live parts in the power distribution cabinets in public areas, which does not meetthe GB7251.12 safety isolation standard.
3. High expansion cost
When adding a digital exhibition display load, the traditional cabinet needs to be completely renovated to expand the circuit.
2. Enhanced design for public safety
− When the drawer unit is pulled out, the vertical busbar chamber is automatically isolated, and the protection level reaches IP2X, meeting the requirements for preventing electric shock in open areas;
− Built - in TN - S grounding system, complying with the grounding safety specifications of museums.
3. Modular and flexible expansion
− use 25mm standard modular drawer unit (8E/16E/24E specifications), when adding new loads, you can simply add modules to avoid replacing the entire cabinet;
− support The mixed design of fixed units and drawer units is adapted to the differentiated needs of cultural relics warehouses (fixed circuits) and exhibition areas (expandable circuits).
4. Maintain zero interference
− Drawer half-extraction maintenance technology: single-circuit maintenance is performed under live operation to ensure the normal operation of the venue;
− Independent cable room isolation design (front/Rear outlet optional), maintenance work does not interfere with public areas.
1. High environmental tolerance
− Cabinet support -15℃~+40℃ wide operating temperature range, adapting to seasonal temperature changes in Guangxi;
− Fully enclosed structure (defaultIP40 protection level) blocks moisture intrusion and reduces the impact of condensation on the circuits in the cultural relics protection area.
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