Description
The ABB SPAU 110C is a residual overvoltage relay used for earth fault protection in isolated neutral, resistance earthed, or reactance earthed networks. It is a secondary relay that is connected to the voltage transformers of the protected object. The SPAU 110C is designed to detect and trip in the event of an earth fault, preventing damage to equipment and ensuring the safety of personnel. It is known for its reliability, flexibility, and compact size, making it a popular choice for a wide range of applications.
Key Features:
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Two-Stage Earth Fault Protection: Provides two independent operation stages for signaling and tripping, allowing for flexible protection strategies.
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Freely Selectable Output Relay Functions: Offers a variety of output relay functions to accommodate different application requirements.
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Serial Interface: Includes a serial interface for bus connection module and fiber-optic substation bus, enabling integration with modern communication systems.
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Self-Supervision: Features continuous self-supervision of relay hardware and software for enhanced system reliability.
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Compact Design: Features a compact design for easy installation in control panels and cabinets.
Applications:
The ABB SPAU 110C residual overvoltage relay is commonly used in various applications, including:
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Power Distribution Systems: Protecting power distribution systems from earth faults in isolated neutral, resistance earthed, or reactance earthed networks.
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Generator and Motor Protection: Providing earth fault protection for generators and motors to prevent damage and ensure safe operation.
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Capacitor Bank Protection: Protecting capacitor banks from earth faults to prevent damage and maintain system stability.
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Resonant Earthed Networks: Controlling the switching device of the neutral resistor in resonant earthed networks.
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Unbalance Protection: Providing unbalance protection for capacitor banks to prevent overvoltage and equipment damage.
Considerations:
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System Requirements: Evaluate the specific requirements of the system, such as voltage level, earthing system type, and protection sensitivity, to ensure the SPAU 110C is suitable.
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Integration with Existing Protection Schemes: Ensure seamless integration with existing protection schemes and communication systems.
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Maintenance Procedures: Implement proper maintenance procedures to ensure the ongoing reliability and performance of the SPAU 110C relay.
Overall, the ABB SPAU 110C residual overvoltage relay is a reliable, flexible, and compact solution for earth fault protection in various power distribution and industrial applications. Its two-stage protection, freely selectable output relay functions, serial interface, self-supervision, and compact design make it a valuable choice for engineers, technicians, and system integrators who require a dependable earth fault protection relay for their electrical systems.
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A. Dedicated to provide customers with products of stable quality and satisfactory after-sales service, under the premise of ensuring product quality, supply as low as possible and reasonably.
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D. Timely supply, under normal circumstances, the goods will arrive within 6 working days, and under special circumstances, it will be negotiated according to the needs of customers.
E. Since the goods are produced by foreign original manufacturers, the manufacturers provide after-sales service. The shelf life generally ranges from half a year to one year. The specific shelf life is based on what the original factory provides. Once there is a problem with the product quality, if it is identified as a manufacturer's quality problem by both parties, we will send it back to the original manufacturer for repair or other processing.
The company has strong strength, complete equipment, perfect detection means, reliable quality and superior performance. Since our company adheres to the tenet of all for the sake of users, adheres to strict delivery deadlines, reasonable price standards, excellent product quality, and proper after-sales service, we have long-term sincere and effective cooperation with new and old customers, reflecting a reliable reputation. The performance and unique advantages are trusted and welcomed by the majority of users.
Shenzhen Changxin Automation equipment Co., Ltd
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