The EPC 10-021 low-voltage (LV) bushing represents a critical component in power distribution systems, ensuring safe and reliable electrical insulation and connection. This article provides a detailed examination of the EPC 10-021, covering its specifications, applications, materials, and place within the broader context of LV bushing technology. We will explore its capabilities, variations, and the advantages it offers compared to other bushing types.
Technical Specifications and Capabilities of EPC 10-021
The EPC 10-021 LV bushing boasts a wide range of capabilities, making it suitable for diverse applications within low-voltage power distribution networks. Key specifications include:
* Voltage Class: Designed to operate within a voltage class ranging from 1.2 kV to 5 kV. This broad range caters to a significant portion of low-voltage applications.
* Basic Insulation Level (BIL): The EPC 10-021 offers BIL ratings from 30 kV to 75 kV. The BIL rating signifies the bushing's ability to withstand transient overvoltages, ensuring system protection against surges and lightning strikes. Higher BIL ratings indicate improved surge protection capabilities.
* Current Ratings: A remarkable feature of the EPC 10-021 is its extensive current rating range, spanning from 110 A to 8,500 A. This adaptability allows for its use in a wide variety of applications, from smaller distribution transformers to large-scale industrial installations. Furthermore, the capability to develop bushings up to 12,000 A demonstrates the potential for custom solutions tailored to specific high-current demands.
* Insulator Material: The core of the EPC 10-021's performance lies in its insulator material. The manufacturer utilizes proprietary H-J material, which is likely an epoxy-based compound formulated for superior dielectric strength, high temperature resistance, and exceptional mechanical stability. The precise composition of H-J remains proprietary, but its selection highlights the commitment to high-performance insulation.
Categorization and Applications within the Broader LV Bushing Landscape
The EPC 10-021 falls under several key categories within the broader field of low-voltage bushings:
* Epoxy LV Bushings: The utilization of epoxy resin as the primary insulating material places the EPC 10-021 firmly within this category. Epoxy resins offer excellent dielectric properties, good mechanical strength, and resistance to environmental factors, making them highly suitable for LV applications.
* 1002 Series Transformer Mounted Secondary LV: Depending on the specific design and configuration, the EPC 10-021 may be part of a 1002 series, suggesting a family of bushings designed for secondary-side mounting on transformers. This implies optimized design for this specific application, ensuring proper integration and performance within transformer systems.
* Low Voltage Epoxy Transformer Bushings: This categorization further emphasizes the bushing's suitability for transformer applications, highlighting its role in providing safe and reliable electrical insulation between the transformer windings and the external circuit.
* Transformer Components: The EPC 10-021 is undeniably a crucial component within the larger assembly of a transformer, contributing to the overall reliability and safety of the equipment.
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