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SIPROTEC-5–7SX800
SIPROTEC 5 Compact – 7SX800
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- SIPROTEC-5–7SX800
Main documents
Related products
| Hardware | |
| transformers | 4 current transformers |
| voltage | 0 / 3 voltage transformers |
| Product family | mv digital protection relays power analyzersOther |
| binary inputs | 3 / 7 binary inputs (thresholds configurable using software) |
| Product | |
| binary outputs | 5 / 8 binary outputs (2 changeover) |
| life contact | 1 life contact |
| Pluggable | Pluggable current and voltage terminals. |
| time-overcurrent | Directional time-overcurrent protection, ground (67N) |
| Trip-circuit | Trip-circuit supervision (74TC) |
| Additional Product Information | |
| Forward-power | Forward-power, reverse-power protection (32) |
| Rate-of-voltage | Rate-of-voltage-change protection (27R/59R) |
| Rate-of-frequency | Rate-of-frequency-change protection (81R) |
| programmable | 9 programmable function keys |
| Secondary current transformer values | Secondary current transformer values (1 A / 5 A) settable using DIGSI |
| Binary input | Binary input thresholds settable using DIGSI (3 stages) |
| Pluggable | Pluggable current and voltage terminals |
| frequency | Rate-of-frequency-change protection (81R) |
| voltage | Rate-of-voltage-change protection (27R/59R) |
| reclosing | Automatic reclosing (79) |
| Voltage dependent | Voltage dependent inverse-time overcurrent protection (51V) |
| Directional | Directional intermittent ground fault protection (67Ns) |
Product Description
Siemens
Siemens, a global leader in the electrical and industrial automation sectors, is renowned for its high-quality products and solutions, ranging from electrical equipment and automation systems to energy management and telecommunications technologies.
With a strong focus on innovation, Siemens provides cutting-edge solutions that enhance operational efficiency, sustainability, and productivity across various industries. From advanced circuit breakers and switchgear to smart grid solutions, Siemens continues to shape the future of technology, delivering reliable and energy-efficient products that meet the evolving needs of businesses and industries worldwide.
Reyrolle Siemens protection relays are designed for reliable and efficient safeguarding of electrical distribution systems. Known for their precision, durability, and advanced technology, these relays ensure the highest standards of safety and protection in industrial and commercial applications.
SIPROTEC-5–7SX800
The SIPROTEC-5-7SX800 is a versatile and compact universal protection relay designed by Siemens for medium-voltage power grids. Built with high-quality engineering and modern technology, this device is ideal for protecting feeders, lines, and motors in both utility and industrial sectors. Its robust features make it suitable for a wide range of applications, providing efficient and reliable protection for current and future power systems.
Key Features and Specifications
- Comprehensive Protection: The SIPROTEC-5-7SX800 offers a full range of protection functions, including both directional and non-directional overcurrent protection, making it suitable for various medium-voltage applications. It is equipped to handle protection for **star networks, parallel lines, ring systems, and more.
- Advanced Ground Fault Detection: Capable of detecting ground faults of all types in compensated or isolated power systems, utilizing advanced functions such as transient ground fault detection, cos φ, sin φ, and harmonic analysis.
- Motor Protection: Specialized protection functions for motors include startup time supervision, thermal overload protection, stator and bearing temperature monitoring, a unbalanced load protection. The device can also detect short circuits, ground faults, and idling drives in motors.
- Flexible and Configurable: Users can create up to 20 additional protection functions to meet specific needs, enabling frequency-based protection or reverse power protection. The device supports automated control functions, synchrocheck, and switchgear interlocking, enhancing its adaptability.
- Reliable Performance: Optimized for fast response times with directional comparison and intelligent automatic reclosing, ensuring minimal downtime during line interruptions.
- Power Quality Monitoring: Equipped with power quality (PQ) monitoring functions to track voltage unbalance, harmonic distortions (TDD, THD), and other crucial metrics, helping maintain a stable power supply.
- User-Friendly Interface: The graphical color display with single-line representation and Web UI allows for intuitive device operation, simplifying setup, monitoring, and maintenance.
- Built-in Cybersecurity: The relay meets stringent NERC CIP and BDEW Whitepaper cybersecurity standards, including features like logging security-related events and alarms, ensuring the safety and integrity of the power grid.
- Virtual Testing and IoT Connectivity: SIPROTEC DigitalTwin enables virtual testing, and IoT connectivity ensures easy access to real-time data, facilitating efficient remote monitoring and management.
- Proven Engineering Tool – DIGSI 5: Full compatibility with DIGSI 5 allows for seamless engineering, configuration, and adaptation, ensuring that all functions are tailored to the specific needs of the application.
- IEC 61850 Compatibility: Supports full compatibility between IEC 61850 Editions 1, 2.0, and 2.1, making integration with existing systems straightforward and efficient.
The SIPROTEC-5-7SX800 is designed for safety and versatility, capable of providing backup protection for transformers, generators, and motors. It can also support load-shedding applications, manage power regeneration systems, and monitor double-star point capacitor banks, making it a compact and cost-effective solution for a wide range of medium-voltage power protection needs.
This all-in-one relay represents the future of efficient power management, combining advanced protection, intuitive control, and strong cybersecurity, ensuring reliability and sustainability in modern power networks.
Frequently Asked Questions
What is SIPROTEC 4?
✅ SIPROTEC 4 represents Siemens' benchmark in digital protection technology, offering reliable solutions for diverse industrial and energy applications. It remains a trusted choice for safeguarding electrical systems with precision and efficiency.
What is Reyrolle?
✅ Reyrolle, originally a British engineering company, revolutionized the power industry by manufacturing innovative switchgear for power stations worldwide. Today, Siemens continues its legacy through the Reyrolle product range, which provides robust and reliable protection relays for modern energy systems.
What is the function of a digital relay?
✅ A digital relay, like Siemens SIPROTEC models, uses advanced microprocessors to analyze power system voltages, currents, and other parameters. These relays detect faults in electrical systems or industrial processes, ensuring efficient protection and control.
What are the disadvantages of a digital relay?
✅ Digital relays, despite their precision and versatility, have some drawbacks. These include susceptibility to electromagnetic interference, higher power consumption, and the need for regular maintenance to avoid contact wear. However, SIPROTEC relays are engineered to mitigate many of these issues, ensuring superior performance and reliability.
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