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SIPROTEC Compact
SIPROTEC Compact
The SIPROTEC Compact catalog by Siemens introduces a series of protection devices designed for medium-voltage and industrial applications, with potential use in high-voltage switchgear. The series is noted for its compact design, high functional density, and user-friendliness, integrating over 100 years of Siemens' experience in protection systems.
SIPROTEC has been a leading system family in the energy market, offering numerical protection relays and bay controllers. The devices are suitable for medium and high voltage applications, providing reliable and cost-efficient solutions for modern power supply systems. The series includes SIPROTEC 4, SIPROTEC 5, and SIPROTEC Compact, each offering unique features and functionalities.
This series is designed for modern systems, offering extensive functionalities and device types. It features a modular design, allowing customization to meet specific application needs. SIPROTEC 5 includes advanced protection functions, automation capabilities, and comprehensive monitoring tools, ensuring high safety and reliability.
The Compact series offers reliable protection for energy distribution and industrial systems with minimal space requirements. It includes devices for various applications such as feeder, line, and motor protection, as well as voltage and frequency protection. Key features include easy installation, flexible protection functions, and integration into communication networks.
Known for its reliability and proven performance, SIPROTEC 4 is widely used in power generation, transmission, and distribution. It integrates protection, control, measuring, and automation functions in a single device, supporting the IEC 61850 standard for future-proof solutions.
The catalog provides a selection table and details on system features, operation, construction, control, and automation functions. It highlights the use of DIGSI 4 and SIGRA 4 for operating programs and communication capabilities, ensuring efficient data exchange and system integration.
SIPROTEC Compact offers a comprehensive solution for modern power supply systems, combining Siemens' extensive experience with innovative features to meet the evolving needs of the energy sector.
The SIPROTEC Compact devices are designed for flexible communication with industrial and energy automation standards. They support various protocols such as IEC 61850, IEC 60870-5-103, IEC 60870-5-104, PROFIBUS-DP, MODBUS RTU, DNP 3.0, DNP3 TCP, and PROFINET. These protocols enable extensive data exchange, fault recording, and system control functions.
FASE and FAST are engineering tools for feeder automation applications, allowing easy creation of feeder protection device configurations using graphical interfaces and predefined templates. DIGSI 4 and SIGRA 4 are operating programs for parameterization and fault analysis.
The devices feature USB and Ethernet interfaces for parameterization and quick access. Ethernet modules support redundancy protocols like RSTP, PRP, and HSR, ensuring seamless data transfer and network monitoring capabilities.
SIPROTEC devices can be integrated into various systems using standardized interfaces, supporting both electrical and optical connections. The document highlights the use of IEC 61850 for interoperable system solutions and the integration of devices from different manufacturers.
The SIPROTEC 7SD80 line differential protection system is designed for selective line protection of power cables and overhead lines. It features a phase comparison algorithm for fast and stable protection, with redundancy in communication and protection functions to ensure system availability.
The document emphasizes the importance of quick fault analysis and restoration of original line conditions to minimize downtime. It also highlights the flexibility and adaptability of SIPROTEC devices to future communication infrastructure changes.
The SIPROTEC 7SD80 offers differential protection for phase and earth faults using phase comparison and earth-fault differential protection algorithms. It includes circuit-breaker intertripping, overcurrent protection, inrush restraint, breaker failure protection, trip circuit supervision, thermal overload protection, overvoltage and undervoltage protection, and frequency protection.
The device allows control of disconnect devices, grounding switches, or circuit-breakers through various interfaces. It includes programmable logic for automation of switchgear and user-defined messages, operational measured values for improved system management, and monitoring of operation through event logs, trip logs, fault records, and statistics.
The SIPROTEC 7SD80 is suitable for selective line protection in systems with various neutral designs. It offers additional protection functions for backup or emergency use and complements the range of functions for transmission lines.
The SIPROTEC 7SJ80 offers flexible protection functions for various electrical parameters such as current, voltage, power, and power factor. It supports both three-phase and single-phase operations with ascending or descending pickup stages. Key protection functions include overcurrent, undervoltage, overvoltage, frequency, and thermal overload protection.
The system includes several ANSI standard protection functions such as overcurrent, undervoltage, overvoltage, frequency protection, thermal overload, reverse power protection, and rate-of-frequency-change protection. Additional features include trip circuit supervision, lockout, and fault locator capabilities.
The system calculates root mean square (r.m.s.) values for current, voltage, power factor, frequency, and energy. It also monitors limit values and provides zero suppression for low measured values.
Commissioning is facilitated by DIGSI 4 software, allowing individual reading and setting of binary inputs and outputs. Test operations can be conducted without transmitting unnecessary data to the control center.
The document provides examples of protection concepts for various systems, including radial systems with time-graded relay settings, ring-main cable systems with directional comparison protection, busbar protection using overcurrent relays with reverse interlocking, line feeder protection with load shedding capabilities, automatic reclosing, and reverse power protection for parallel infeeds.
The SIPROTEC 7SJ81 is a versatile protection system suitable for a wide range of applications, offering comprehensive protection functions and easy commissioning. Its flexible configuration and advanced features make it ideal for modern electrical networks.
The document outlines the tripping time calculation for motor protection using the equation tTRIP = IA²/I * tAmax, where IA is the motor starting current, tAmax is the maximum permissible starting time, and I is the actual current flowing. This calculation is crucial for determining the starting supervision time, unaffected by reduced terminal voltage. Additionally, block rotor detection is possible via a speed sensor connected to a relay.
Load Jam Protection activates upon detecting a sudden high load due to mechanical failure, initiating an alarm or trip. Unbalanced-load Protection detects phase failure or load unbalance, protecting the rotor from overheating. Undercurrent Monitoring detects sudden drops in current due to reduced load, such as shaft breaks or no-load operation. Overvoltage Protection detects unwanted overvoltage conditions using phase-to-phase or phase-to-ground voltage. Undervoltage Protection protects against dangerous voltage drops, ensuring stability and proper operating conditions. Frequency Protection protects against overfrequency and underfrequency, with customizable settings for load removal.
Customized Functions include reverse power, voltage-controlled overcurrent, and phase angle detection. Measured Values include r.m.s. values, power factor, frequency, energy, and operating hours. Limit Value Monitoring uses programmable logic for monitoring and command derivation.
Binary Inputs/Outputs Expansion allows up to two SICAM I/O Units to be connected for additional inputs and outputs. Circuit-breaker Wear Monitoring offers methods for determining contact wear and remaining service life, including the two-point method.
Commissioning is supported by DIGSI 4, allowing individual reading and setting of binary inputs and outputs. Test operations can be conducted with test tags.
Includes protection concepts for small and medium-sized motors, generators, transformers, and line feeders with load shedding. Each example provides specific protection strategies and configurations.
Details on product descriptions, order numbers, and configurations for the SIPROTEC 7SK80, including housing options and auxiliary voltage settings.
The SIPROTEC 7SK81 is a numerical motor protection relay designed for low power CT and VT inputs. It offers control and monitoring functions, providing a cost-effective platform for power system management. The device ensures reliable electrical power supply and features an ergonomic design for easy control from the relay front panel.
- Inputs for low power VTs and CTs according to IEC 61869-6.
- Removable terminal blocks and binary input thresholds settable using DIGSI.
- 9 programmable function keys and a 6-line display.
- USB front port and two additional communication ports.
- Integrated switch for optical Ethernet rings and redundancy protocols for high availability.
- Relay-to-relay communication through Ethernet with IEC 61850 GOOSE.
- Millisecond-accurate time synchronization through Ethernet with SNTP.
The device allows control of circuit breakers, disconnect switches, and grounding switches through various interfaces including the integrated operator panel and DIGSI 4.
- Time-overcurrent protection with phase and ground elements.
- Directional overcurrent protection for ground faults.
- Breaker failure protection and thermal overload protection.
- Flexible protection functions allowing up to 20 additional protection functions.
The SIPROTEC 7SK81 supports multiple communication protocols including IEC 61850, PROFIBUS-DP, DNP 3.0, and MODBUS RTU, ensuring compatibility with various systems.
- Motor protection for induction-type asynchronous motors.
- Line protection for high and medium-voltage networks.
- Transformer protection with backup functions for differential protection.
- Switchgear cubicles for high/medium voltage applications.
- Event logs, trip logs, and fault records for operational indication.
- Dynamic settings group switching for adaptable protection settings.
- Thermal overload protection with integrated warning/alarm elements.
The SIPROTEC 7SK81 provides comprehensive protection for motors, focusing on preventing damage due to overheating, unbalanced loads, and electrical faults. Key features include restart inhibit, emergency startup, temperature monitoring, and starting time supervision.
This function prevents motor restarts if the rotor temperature is too high, using a thermal replica based on the I2t curve to estimate rotor heat.
Allows motor restart in emergencies by bypassing the restart inhibit, using a binary input to reset the thermal replica.
Utilizes RTD inputs to monitor motor and ambient temperatures, with options for internal or external RTD connections.
Protects against prolonged starts and locked rotors by calculating rotor temperature from stator current and using an inverse current-dependent characteristic for trip timing.
Load Jam Protection detects sudden high loads due to mechanical failures. Unbalanced Load Protection protects against phase failures and load imbalances. Undercurrent Monitoring detects sudden drops in current due to reduced load. Overvoltage and Undervoltage Protection protects against voltage anomalies, ensuring stable operation. Frequency Protection monitors for overfrequency and underfrequency conditions.
The device calculates r.m.s. values for current, voltage, power, and energy, providing detailed statistics and enabling effective monitoring and control.
Methods for assessing circuit-breaker wear and remaining service life are included, allowing for optimized maintenance schedules.
Supported by DIGSI 4, commissioning is simplified with features for testing binary inputs/outputs and disabling communications during maintenance.
The document provides protection concepts for various systems, including radial systems, small and medium-sized motors, and generators, highlighting the adaptability of the SIPROTEC 7SK81 for different applications.
The SIPROTEC 7RW80 is a numerical protection device designed for voltage and frequency protection in power systems. It offers control and monitoring functions, providing a cost-effective platform for power system management, ensuring reliable power supply.
The device includes integrated control functions for disconnect devices, grounding switches, or circuit-breakers. It features programmable logic (CFC) for automation of switchgear and user-defined messages, enhancing flexibility in transfer schemes.
The SIPROTEC 7RW80 provides extensive measured values for improved system management, including voltage, frequency, and metered energy values.
The device offers multiple protection functions, including undervoltage protection, overvoltage protection, frequency protection, overexcitation protection, and rate-of-frequency-change protection.
The device supports system decoupling and load shedding through voltage and frequency protection, ensuring system stability.
Automatic reconnection of power system parts is available when system frequency recovers after load shedding.
Supported by DIGSI 4, commissioning is simplified with individual status checks for binary inputs and outputs. Test operations can be conducted without transmitting unnecessary data to the control center.
The document provides examples of line feeder with load shedding and synchrocheck for system synchronization, demonstrating practical applications of the SIPROTEC 7RW80.
Detailed technical data and ordering options are provided, including housing, auxiliary voltage, unit version, and communication ports.
The document provides technical specifications and functionalities of the SIPROTEC 7SC80, a feeder protection device by Siemens. It includes details on modules, wiring specifications, transformer connections, and various protection functions.
The SIPROTEC 7SC80 can be equipped with optical and electrical modules. The optical module supports single mode ports for distances up to 24 km and includes Ethernet switch functionality. The electrical module allows chain mode connections. Optional modules include serial DNP3 and protocols like IEC 60870-5-104, PROFINET IO, or DNP3 TCP.
The document outlines cable cross-sections, permissible voltages, currents, and tightening torques for current and process terminal connections. Only solid copper wires are recommended.
The SIPROTEC 7SC80 supports low-power current and voltage transformers. Specifications include measuring ranges, input impedance, and thermal ratings. The device supports capacitive voltage dividers and various sensor connections.
The SIPROTEC 7SC80 offers multiple protection functions, including battery monitor, overcurrent protection, directional time-overcurrent protection, ground-fault detection, phase-balance current protection, breaker failure protection, high-impedance restricted ground-fault protection, auto-reclosure, and flexible protection functions.
The device includes synchrocheck and synchronizing functions to ensure network synchronization before closing circuit-breakers, and trip circuit supervision for monitoring circuit-breaker trips.
The document provides protection concepts for various systems, including ring systems, radial systems, busbar protection, automatic reclosing, and reverse power protection, highlighting the adaptability of the SIPROTEC 7SC80 for different applications.
Catalog excerpts
SIPROTEC Compact Perfect Protection – smallest space 7SD80, 7SJ80, 7SJ81, 7SK80, 7SK81, 7RW80, 7SC80 Catalog • Edition 5 siemens.com/siprote
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Overview of Documentation Documentation SIPROTEC Compact Catalog SICAM Power quality and measurement Catalog Manuals SICAM Substation automation Catalog Fig. 1/1 Overview of Siemens protection catalogs SIPROTEC Compact catalog SICAM Power Quality and Measurement catalog The catalog describes the features of the SIPROTEC Compact series and presents the available devices and their application possibilities. This catalog gives an overview of the power quality and measurement devices, applications and features. SIPROTEC 5 catalog The catalog describes the system features and the devices of SIPROTEC...
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Overview of all SIPROTEC device series SIPROTEC Compact_ Selection table, system features, operating programs Invalid: Catalog SIP 3.01 ■ Edition 4 Line Differential Protection SIPROTEC 7SD80 Overcurrent Protection SIPROTEC 7SJ80_ Overcurrent Protection SIPROTEC 7SJ81 for Low-Power Current Transformer Applications Generator and Motor Protection SIPROTEC 7SK80 Generator and Motor Protection SIPROTEC 7SK81 for Low-Power Current Transformer Applications Voltage and Frequency Protection SIPROTEC 7RW80 Feeder Protection SIPROTEC 7SC80 Ordering examples and accessories 10/3 Selection and ordering data...
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Introduction Editorial The SIPROTEC Compact series has been especially conceived for the requirements of the medium-voltage and industrial sector, but it can of course also be used for other applications such as high-voltage switchgear, for example. The outstanding feature of the SIPROTEC Compact series is the compact design offering, at the same time, a high functional density and user friendliness. In the development of the SIPROTEC Compact series we have integrated our experience from more than 100 years of protection systems, the proven functions of SIPROTEC 4, and many customer suggestions....
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Introduction SIPROTEC device series Solutions for today‘s and future power supply systems – for more than 100 years SIPROTEC has established itself on the energy market for decades as a powerful and complete system family of numerical protection relays and bay controllers from Siemens. As the innovation driver and trendsetter in the field of protection systems for more than 100 years, Siemens helps system operators to design their grids in an intelligent, ecological, reliable and efficient way, and to operate them economically. As a pioneer, Siemens has decisively influenced the development of...
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SIPROTEC 5 - the new benchmark for protection, automation and monitoring of grids The SIPROTEC 5 series is based on the long field experience of the SIPROTEC device series, and has been especially designed for the new requirements of modern systems. For this purpose, SIPROTEC 5 is equipped with extensive functionalities and device types. With the holistic and consistent engineering tool DIGSI 5, a solution has also been provided for the increasingly complex processes, from the design via the engineering phase up to the test and operation phase. Thanks to the high modularity of hardware and software,...
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SIPROTEC Compact - Maximum protection - minimum space Reliable and flexible protection for energy distribution and industrial systems with minimum space requirements. The devices of the SIPROTEC Compact family offer an extensive variety of functions in a compact and thus space-saving 1/6 x 19" housing. The devices can be used as main protection in medium-voltage applications or as back-up protection in high-voltage systems. SIPROTEC Compact provides suitable devices for many applications in energy distribution, such as the protection of feeders, lines or motors. Moreover, it also performs tasks...
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Introduction SIPROTEC device series SIPROTEC 4 represents a worldwide successful and proven device series with more than 1 million devices in field use. Due to the homogenous system platform, the unique engineering program DIGSI 4 and the great field experience, the SIPROTEC 4 device family has gained the highest appreciation of users all over the world. Today, SIPROTEC 4 is considered the standard for numerical protection systems in all fields of application. SIPROTEC 4 provides suitable devices for all applications from power generation and transmission up to distribution and industrial systems....
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SIPROTEC Compact · SIEMENS SIP 3.01 · Edition 5 1/9
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1/10 SIPROTEC Compact · SIEMENS SIP 3.01 · Edition 5
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Protection Systems SIPROTEC Compact
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SIPROTEC Compact selection table 2/3 SIPROTEC Compact system features 2/5 Control and automation functions 2/9 Operating programs DIGSI 4 and SIGRA 4 2/10 2/2 SIPROTEC Compact ■ SIEMENS SIP 3.01 ■ Edition 5
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Table 2/1 SIPROTEC Compact relay selection table
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Protection Systems – SIPROTEC Compact SIPROTEC Compact system features Field devices in energy distribution systems and in industrial applications must cover the most varying tasks, and yet be adjustable easily and at short notice. These tasks comprise, for example: • Protection of different operational equipment such as lines, cables, motors and busbars • D ecoupling and disconnecting of parts of the power supply system • Load shedding and load restoration • Voltage and frequency protection • Local or remote control of circuit-breakers • Acquisition and recording of measured values and events...
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Protection Systems – SIPROTEC Compact SIPROTEC Compact system features Feeder Protection SIPROTEC 7SC80 Load balancing The Feeder Automation device SIPROTEC 7SC80 is designed for decentralized as well as for centralized feeder automation applications. This solution allows various flexible high speed applications like Balance the load within a feeder by moving the disconnection. FLISR (Fault Location, Isolation, and Service Restoration) Detect and locate a fault in the feeder, isolate the faulty section and set the healthy portions of the feeder back into service Activation of individual line...
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- Switching relay
- Digital indicator
- Panel panel meter
- Interface software
- Programmable logic controller
- HMI
- Digital gauge
- HMI with touch screen
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