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SICAM-P850
Power meter device – SICAM P850
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- SICAM-P850
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-P850
The SICAM-P850 is a comprehensive multifunctional power meter designed for the acquisition, visualization, evaluation, and transmission of electrical variables. It can monitor alternating current (AC), voltage, frequency, power, harmonics, and other essential electrical parameters, making it ideal for both industrial and utility applications.
Key Features and Specifications:
Comprehensive Measurement Capabilities:
- The SICAM-P850 can measure and record a wide range of electrical parameters:
- True RMS AC voltage and current.
- Power frequency, including active, reactive, and apparent power.
- Power factor and active power factor, to analyze system efficiency.
- Phase angle measurements.
- Unbalance in AC voltage and current.
- Harmonics: Measurement up to the 40th order of AC voltage and current.
- Total Harmonic Distortion (THD) for both voltage and current.
Versatile System Compatibility:
- Suitable for use in single-phase, three-wire, and four-wire systems (with a neutral conductor).
- It is designed for scenarios requiring comprehensive power quality measurements, such as in power utilities, industries, and commercial sectors.
Power Quality Assurance:
- The device is capable of ensuring power quality, even during transitions in energy supply, such as the increased feed-in from renewable energy sources.
- Grid monitoring and control features help operators manage fluctuations and maintain a stable power supply across all voltage levels.
Input Measurement Circuits:
- Supports 4x AC voltage inputs and 3x AC current inputs (up to 10A).
Communication Interfaces:
- Ethernet: Supports MODBUS TCP and IEC 61850 Edition 2, enabling seamless integration with control systems.
- Serial: Compatible with MODBUS RTU and IEC 60870-5-103, offering versatile communication options.
- Integrated Web Server: Allows users to interact with the device via HTML pages on a PC.
User-Friendly Operation and Display:
- Equipped with a full graphic display and 4 function keys for easy operation.
- 4 LEDs provide clear state and system messages, enabling quick status checks.
- Time Synchronization: Achieved via Ethernet (SNTP client), fieldbus, or an internal Real-Time Clock (RTC).
Auxiliary Power Supply:
- Compatible with DC 24 – 250V and AC 110 – 230V (50/60 Hz), making it adaptable to different power environments.
Housing and Mounting:
- Durable plastic housing suitable for DIN rail or optional panel mounting.
- Protection class up to IP51.
- Dimensions: 96 x 96 x 100 mm (W/H/D).
Special Features:
- Power Quality Measurement: Complies with IEC 61000-4-30 standards, ensuring accurate and reliable measurements.
- Recording Functions: Includes mean value and fault recorders, with 2 GB memory capacity for storing data.
- Real-time Monitoring: Time-stamped data allows for detailed analysis and system diagnostics.
Conclusion
The SICAM-P850 is an all-in-one device that delivers precise measurement and monitoring of electrical parameters, with robust communication options and easy-to-use interface features. Its versatility and adherence to industry standards make it ideal for applications in power utilities, industry, and trade, where maintaining power quality and system efficiency is crucial.
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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