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SICAM P50-55
Power meter device – SICAM P50/55
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- SICAM P50-55
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
| 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.
SICAM P50-55
The SICAM P50-55 is a versatile power meter designed for use in electrical power supply systems. It can be installed as a panel-mounted device with a graphic display and backlighting, or on standard rail mounting, making it adaptable for various setups. This device is ideal for measuring and displaying a wide range of electrical parameters, providing precise and reliable data for system monitoring and management.
Key Features and Specifications:
The SICAM P50/55 can measure over 100 different values, including:
- Voltage: Phase-to-phase and phase-to-ground r.m.s. values.
- Current: Accurate readings of electrical currents.
- Power: Active, reactive, and apparent power measurements.
- Energy: Monitoring of both active and reactive energy consumption.
- Frequency: Continuous frequency measurements for system stability.
- Power Factor & Phase Angle: Helps analyze the efficiency of the power system.
- Harmonics: Up to the 21st harmonic for both current and voltage, including Total Harmonic Distortion (THD) per phase, ensuring comprehensive harmonic analysis.
- Symmetry Factor: Assesses system balance and quality.
Versatile Connection Options:
Supports various connection configurations:
- Single-phase or three-phase (balanced or unbalanced).
- Four-wire systems.
Communication Protocols:
- The SICAM P50/55 is equipped with multiple communication options, including:
- PROFIBUS-DP: For industrial automation systems.
- MODBUS RTU / ASCII: For easy integration with other devices and systems.
- IEC 60870-5-103: Suitable for utility communication requirements.
- Simple parameterization can be done via the front keys or through an RS485 communication port using the SICAM P Manager software.
User-Friendly Display:
- Features a graphic display with backlighting, making it easy to read data even in low-light conditions.
- Up to 20 programmable screens, allowing for customized views to suit specific monitoring needs.
Real-Time Data Recording:
- Equipped with a real-time clock, enabling time-stamped recording of measured values and system states.
- 1 MB memory management: The allocation of non-volatile memory for measurements is programmable, providing flexibility in data storage and retrieval.
- Recording and display of limit value violations: The device logs and displays entries whenever set thresholds are exceeded.
Reliable Data Storage:
- Built-in battery backup ensures that critical data, such as limit violations and energy counter values, remain safely stored for up to 3 months in case of a power outage.
Conclusion
The SICAM P50-55 power meter is a robust and reliable device designed to provide comprehensive monitoring of electrical systems. With its wide range of measurement capabilities, versatile communication protocols, and user-friendly interface, it is well-suited for applications in industrial, commercial, and utility environments. Its ability to measure, record, and communicate critical system data makes it an essential tool for maintaining system efficiency and reliability.
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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