Power quality recorder

Power quality recorder SICAM Q100 front view

SICAM Q100

The SICAM Q100 multifunctional measuring device is used for acquisition, visualization, evaluation and transmission of electrical measured variables such as alternating current, alternating voltage, frequency, power, harmonics etc. 

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Power quality recorder SICAM Q100

Features & functions

The acquisition, processing and accuracy of measured variables and events are performed according to the IEC 61000-4-30 Class A power quality measurement standard. The measured variables can be output to a PC or system control via communication interfaces or shown on a display. In addition to the monitoring function, the SICAM Q100 all-in-one device provides a combined recording and evaluating function: measured values can be recorded in parameterizable time intervals with various recorders such as power quality and fault recorders. Longtime data and events are evaluated directly in the device and displayed as a report according to the power quality standards (e.g., EN 50160).

Applications

Power quality - supply quality

 

Quality is generally regarded as an important aspect of any power supply. Insufficient power supply quality has a negative impact on operational processes and operational safety of consumers connected to the network and can entail serious consequences, ultimately resulting in increased costs for the user and supply utility.

The EN 50160 power quality standard describes the main voltage characteristics at customer's supply terminals in public low, medium and high-voltage systems. Comprehensive acquisition and documentation of parameters relevant to the supply quality is a necessary step required to identify possible weak points and initiate appropriate measures to eliminate them.


Application

 

The SICAM Q100 device is used in single-phase as well as in three-wire and four-wire systems (with neutral conductor). The device is applied wherever comprehensive measurement of supply quality is necessary - at power utilities as well as in industry and trade sectors.


Examples for:

Technical specification

Product features

  • Power Quality measurement according to IEC 61000-4-30, class A
  • Harmonic, interharmonics and phase angles of the harmonics acc. to IEC 61000-4-7
  • Energy management and power monitoring functionality
  • Integrated cybersecurity functions
  • StandardInput measuring circuits

Measured Characteristic

  • True RMS of voltage and current with 2048 sampled values/10 sampling cycles (sampling rate 10.24 kHz @50 Hz)
  • Voltage, current, frequency, min-/max-/average values
  • Harmonics up to the 63rd harmonic
  • Power factor
  • Unbalance
  • THD of voltage and current
  • Limit violations and indications

Power Quality features

  • Measurement compliant with IEC 61000-4-30 Class A
  • IEC 61000-4-15 Flicker
  • IEC 61000-4-7 Harmonics, incl. harmonic phase angles for harmonic direction
  • Reporting and evaluation compliant with EN 50160

Energy management

  • Active, reactive, and apparent power and energy
  • Accuracy class active power 0,2S according to IEC 62053-22
  • Accuracy class voltage/current 0,1 %
  • 8 tariffs, tariff change on load-profile synchronization
  • 4 quadrant Power: consumption and delivery/inductive and capacitive

Communication protocols

  • Ethernet: IEC 61850, Modbus TCP, Gateway/Master, SNMP
  • Serial: Modbus RTU master and gateway function for RS485 devices

Data export

  • PQDIF according to IEEE 1159.3, measured value recorder
  • CSV data for PQ recordings, measured-value recorder
  • COMTRADE according to IEEE/IEC, fault records

Cybersecurity

  • Role-based access control (RBAC): password protection against unauthorized usage, central user management
  • Secured and protected communication via IEC 61850 protocol, Web browser communication via https
  • Firmware signature: only firmware signed by Siemens will be loaded
  • Security log: non-volatile storage of SYSLOG events

Input measuring circuits

  • 4 x alternating voltage, 4 x alternating current

Binary inputs / outputs

  • 2 digital inputs, 2 digital outputs

Operation and display

  • Graphic display including operation via 4 function keys
  • Integrated web server to interact with PC and HTML pages

Time synchronization

  • Ethernet: NTP-Client (Network Time Protocol) 

Auxiliary Voltage

  • AC 110 V to 230 V, DC 24 V to 250 V

Housing Specification

  • Dimensions: 96 mm x 96 mm x 100 mm (W/H/D)
  • IP40

Customer benefit

SICAM Q100 is the ideal solution for application of power quality measurements at the point of connection and can be

used for compliance measurements for use in courts.

  • High level of investment security through use of standards
  • Open and transparent connectivity and interoperability
  • Cause detection for harmonics
  • Roll based access control
  • Secure transmission of sensitive data
  • Protection against firmware manipulation
  • Measurements that can be used in court and are in conformity with the contract
Information

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