SLVA-type Standardized Low-Voltage Switchgear
With the advancement of future technologies and the integration of energy technologies with automation software, there is a growing need for high-reliability, high-performance low-voltage switchgear. The SLVA low-voltage switchgear—currently compliant with State Grid standards—adopts a FORM 3b compartmentalization design that isolates functional units from the busbar and provides separation between individual functional units, thereby ensuring the safety and reliability of power supply.
Keywords: High- and low-voltage complete sets – packaged substations – ring main units
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Product Description
Product Overview
With the advancement of future technologies and the integration of energy technologies with automation software, there is a growing need for high-reliability, high-performance low-voltage switchgear. The SLVA low-voltage switchgear—currently compliant with State Grid standards—adopts a FORM 3b compartmentalization design that isolates functional units from the busbar and provides separation between individual functional units, thereby ensuring the safety of power supply.
Selling Points and Advantages
Streamline classification and standardize criteria to dismantle the previous cabinet-type categorization.
While taking differences into account, the design of key components and the layout of the cabinet structure adopt solutions that have been widely used in recent years and are representative of future development trends. At the same time, to accommodate non-differentiated configurations, compact cabinet designs, SVG compensation, and communication interfaces are offered as optional features for users to choose from.
Adopting a forward-looking, “one-step” approach, the switchgear has been designed with appropriate foresight to accommodate future upgrades and renovations of the distribution network by addressing key aspects such as the rated current series, protection levels, reactive power compensation devices, emergency power supply interfaces, phase-checking devices, and feeder load monitoring. This ensures that once the equipment is commissioned, it can immediately meet operational requirements, thereby minimizing the need for frequent upgrades and replacements.
To simplify operations and maintenance and enhance efficiency, the structural layout, dimensional design, insulation protection, and mounting details of switchgear cabinet door hinges have been standardized and optimized, facilitating inspection and operation by O&M personnel, reducing the frequency of routine maintenance tasks, and further improving operational efficiency.
Main Product Specifications
Cabinet dimensions
| Name | Cabinet width W (mm) | Cabinet depth D (mm) | Cabinet height H (mm) | ||
| General-purpose | Compact | ||||
| Incoming cabinet | Plan 1 | 1000 | 700 | 800 | 2200 |
| Bus-tie cabinet | Option 2 | 1000 | 700 | 800 | 2200 |
| Feeder cabinet | Plan 3 | 1000 | 900 | 800 | 2200 |
| Plan 4 | 800 | 700 | 800 | 2200 | |
| Plan 5 | 1000 | 1000 | 800 | 2200 | |
| Plan 6 | 800 | 800 | 800 | 2200 | |
| Reactive Power Compensation Cabinet | Plan 7 | 1000 | 1000 | 800 | 2200 |
| Plan 8 | 1000 | 1000 | 800 | 2200 | |
Note: Within the same station building, universal-type and compact-type units must not be mixed.
Normal operating environment
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Address: No. 26, Tuan Shan East Road, Economic Development Zone, Lishui District, Nanjing City, Jiangsu Province
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