METARRESTERS’ Post

𝐒𝐰𝐞𝐞𝐩 𝐅𝐫𝐞𝐪𝐮𝐞𝐧𝐜𝐲 𝐑𝐞𝐬𝐩𝐨𝐧𝐬𝐞 𝐀𝐧𝐚𝐥𝐲𝐳𝐞𝐫 Sweet Frequency Response Analyzer (SFRA) is a specialized device used to assess the mechanical integrity of power transformers. It measures the frequency response of a transformer's windings by applying a low-voltage, high-frequency signal and analyzing the resulting response. This analysis helps to detect mechanical deformations or displacements within the transformer's core and windings, which could indicate potential faults or impending failures. By identifying these issues early, utilities and operators can schedule maintenance or repairs to prevent costly downtime and ensure the reliability of the power grid. 𝑯𝒂𝒆𝒇𝒆𝒍𝒚'𝒔 𝑭𝑹𝑨 𝟓𝟑𝟏𝟏 SFRA is designed to identify transformer winding displacements and mechanical faults resulting from mechanical shocks, transportation stresses, or short circuits. ☑️Measures according to IEC 60076-18 and IEEE C57.149 ☑️Measures magnitude (dB), phase angle (°), impedance (Ω), admittance (S), and ratio ☑️High signal to noise ratio due to output voltage up to 11 Vpp at 50 Ω ☑️IEC 60076-18 Appendix E XML file format compatible to import, export, and share test results with other devices ☑️Rugged, lightweight, and smallest SFRA instrument on the market ☑️One single USB connection for data and power to a laptop ☑️Windows based, easy to use graphical interface, including analysis mode for curves comparison and automatic reporting capabilities ☑️Predefined test sequences for most common transformers Contact us to see how the FRA5311 can benefit you: https://lnkd.in/eBQzPgd9 #powergrid #measurementtools #energy #enginneers #frequency #swissquality #testequipment #highvoltage #swissmade #topquality

𝐒𝐰𝐞𝐞𝐩 𝐅𝐫𝐞𝐪𝐮𝐞𝐧𝐜𝐲 𝐑𝐞𝐬𝐩𝐨𝐧𝐬𝐞 𝐀𝐧𝐚𝐥𝐲𝐳𝐞𝐫 Sweet Frequency Response Analyzer (SFRA) is a specialized device used to assess the mechanical integrity of power transformers. It measures the frequency response of a transformer's windings by applying a low-voltage, high-frequency signal and analyzing the resulting response. This analysis helps to detect mechanical deformations or displacements within the transformer's core and windings, which could indicate potential faults or impending failures. By identifying these issues early, utilities and operators can schedule maintenance or repairs to prevent costly downtime and ensure the reliability of the power grid. 𝑯𝒂𝒆𝒇𝒆𝒍𝒚'𝒔 𝑭𝑹𝑨 𝟓𝟑𝟏𝟏 SFRA is designed to identify transformer winding displacements and mechanical faults resulting from mechanical shocks, transportation stresses, or short circuits. ☑️Measures according to IEC 60076-18 and IEEE C57.149 ☑️Measures magnitude (dB), phase angle (°), impedance (Ω), admittance (S), and ratio ☑️High signal to noise ratio due to output voltage up to 11 Vpp at 50 Ω ☑️IEC 60076-18 Appendix E XML file format compatible to import, export, and share test results with other devices ☑️Rugged, lightweight, and smallest SFRA instrument on the market ☑️One single USB connection for data and power to a laptop ☑️Windows based, easy to use graphical interface, including analysis mode for curves comparison and automatic reporting capabilities ☑️Predefined test sequences for most common transformers Contact us to see how the FRA5311 can benefit you: https://lnkd.in/eBQzPgd9 #powergrid #measurementtools #energy #enginneers #frequency #swissquality #testequipment #highvoltage #swissmade #topquality

Impact of X/R Ratio on Fault Currents: RMS and Peak Values In fault analysis, one of the most crucial parameters to consider is the X/R ratio—the ratio of system reactance (X) to system resistance (R). This ratio significantly affects both the RMS and peak fault currents, which are critical for power system design and protection coordination. 🔍 Why Does X/R Matter? ** RMS Fault Current: In systems with a high X/R ratio (common in transmission networks), the fault current decays more slowly due to the high inductive reactance. This results in higher initial RMS fault current, impacting the symmetrical fault currents used for equipment rating and protection settings. ** Peak Fault Current: The peak current is even more sensitive to the X/R ratio. As outlined by IEC 60909-0, the peak current formula includes a term for the DC component, which decays slowly in high X/R systems. The higher the X/R, the larger the DC offset, leading to a higher peak current at the fault’s inception. 📚 Standards to Consider: ** IEC 60909-0 specifies the calculation methods for both RMS and peak fault currents, accounting for X/R effects. ** IEEE Std 141 and IEEE Std 399 also provide insight into how the X/R ratio impacts fault transients and equipment ratings. Understanding the influence of the X/R ratio is critical for: -- Correct sizing of switchgear and transformers. -- Accurate settings for protection devices. -- Ensuring system reliability under fault conditions. Properly addressing these factors ensures safer and more robust power systems! #PowerSystems #FaultAnalysis #XRRatio #IEC60909 #IEEE #GridProtection #ElectricalEngineering #SystemReliability #fantek

Troubled by Constant voltage fluctuation and burnt Motor Coils?? Check out Elmeasure Power Quality Analyser #PQ8800X for Real time Monitoring of Power Quality parameters for different Industries. Power Quality Analyser assesses the power supply problems such as voltage drops, flicker, harmonics, Interruption and other electrical issues to take the necessary action. Our Class A panel mounted analyzer is capable of data logging and generating reports with limits set by international standards such IEC 61000-4-30, EN 50160 & IEEE 519. Free of Cost Web Server for real time monitoring. https://lnkd.in/ev_HF8mp #Elmeasure #Powerquality #PQ8800X Joshy joseph Lawrence .Anshuman Basu

𝐓𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦𝐞𝐫 𝐓𝐮𝐫𝐧𝐬 𝐑𝐚𝐭𝐢𝐨 𝐌𝐞𝐭𝐞𝐫 The Transformer Turns Ratio (TTR) test assesses the primary-to-secondary turns ratio of a transformer, crucial for detecting faults like open windings, improper connections, or shorted turns, as well as tap changer defects. The 𝟐𝟕𝟗𝟔 𝑭𝒖𝒍𝒍𝒚 𝑨𝒖𝒕𝒐𝒎𝒂𝒕𝒆𝒅 𝟑 𝑷𝒉𝒂𝒔𝒆 𝟐𝟓𝟎 𝑽 𝑻𝑻𝑹 𝑴𝒆𝒕𝒆𝒓 𝒃𝒚 𝑯𝑨𝑬𝑭𝑬𝑳𝒀 offers high accuracy (up to 0.03%) and mobility for both acceptance and on-site maintenance tests, adhering to IEEE, IEC, and ANSI standards. Its 250 V test voltage ensures precise results even on large power transformers, with advanced analysis features like trending enabling early problem detection. Automatic winding connection identification and optional software for irregular vector groups facilitate testing various transformer configurations swiftly, making the 𝐓𝐓𝐑 𝟐𝟕𝟗𝟔 a highly regarded diagnostic tool in both production and field settings, delivering comprehensive measurement data within seconds of connection. ⚡Download the datasheet: https://lnkd.in/eM9RRhvK ⚡Contact us for more information: https://lnkd.in/eBQzPgd9 #highvoltage #transformer #testingequipment #turnsratio #voltage #testandmeasurement #highaccuracy #topquality #windings #tapchanger

Fibre optic sensors such as those in the DTSX series do not use any electrical or electronic components in the sensor part and therefore offer greater environmental resistance compared to other #temperature sensors. They are not affected by electromagnetic noise, neither in environments where electromagnetic waves are generated, such as near power sources, nor by lightning strikes. As they do not use electricity, they can also be used in explosion-proof areas. They also have the advantage of being very durable, which enables stable measurements over a long period of time and reduces the total cost of ownership of the monitoring system. Expected benefits: - By quickly detecting equipment anomalies that could lead to fires and other problems and identifying their location, accidents can be prevented and stable operation can be achieved. - 24-hour remote monitoring over long distances and a wide area solves the problems of staff shortages and monitoring costs. - Switching from periodic preventive #maintenance (#TBM) to predictive condition-based maintenance (#CBM) improves the efficiency and quality of maintenance work. #DTSX #Sensor #measurement #yokogawa #automation #industry If you would like to know more about DTSX, take a look at our website: https://lnkd.in/eg_xqx_V

A number of approaches to fault detection are proposed in the literature. The abnormal conditions (not necessarily faults) are detected by watching the phase impedances and/or phase-current amplitudes and/or phase-voltage amplitudes and/or zero-sequence current amplitude. Depending on a particular application, different activation criteria are combined in a different way. To speed up the fault detection, one may also apply derivatives of the relevant signals. It is quite easy to introduce the adaptivity to such approaches. Knowing the breaker positions, monitoring the average load of a line, etc., the thresholds may be self-adjusted to improve the sensitivity and reliability of fault detection.

The MD-UT is a universal temperature intrinsically safe barrier. It can measure analog signals and be configured with the Modbus protocol. It can be purchased with 1-2 or 3 channels. The current and power consumption of the input is about 208 mA and 5W respectively, and the power dissipation is less than 1W with a 35 mm DIN mounting rail acc. The MD-UT3 is a 3-Channel Isolated Barrier that can measure temperature and support various temperature sensors, including 2-3 and 4 wire RTDs, from PT10 to PT1000. When accuracy is not critical you can use 2-wire RTDs. Of course, 3 and 4-wire constructions are used in industries and laboratories where close accuracy is imperative. In addition to this, the thermocouple sensors can be read with different types (B, E, J, K, L, R, N, S, T-Type). The CJC is internal, and its deviation is about ±0.8 K. When installed in hazardous areas, the temperature value collected is transmitted back to the safe areas through the Modbus protocol. Also, the environmental conditions are -20 to +60 °C as an operation and -25 to +65 °C as storage temperature. #MD_UTBarrier #IntrinsicSafety #TemperatureMeasurement #UniversalBarrier #ModbusProtocol #RTDSensors #ThermocoupleSupport #IndustrialSafety #AnalogSignals #HazardousAreaProtection #IsolatedBarrier #TemperatureMonitoring #DINRailMounting #IndustrialAutomation #SafetySolutions

Introducing ONICON’s FT-3400 Insertion Electromagnetic Flow Meter - the game-changer in flow measurement technology. The FT-3400 offers a range of impressive key features: ☑️ PC Interface for Field Adjustment: Simplifies the process of making field adjustments and interpreting alarms. It provides a user-friendly way to configure and fine-tune the flow meter according to your specific needs, ensuring precise and reliable results. ☑️ Adjustable Insertion Depth Gauge: Enhances the adaptability of the flow meter to changes in pipe size, allowing you to maintain accurate measurements when modifying your piping system. ☑️ Master Alarm via Analog Output: Stay informed and in control with a master alarm signal provided through the analog output, alerting to critical events or abnormal conditions in your flow system. ☑️ CE Compliance: The FT-3400 meets CE compliance standards, signifying its adherence to European safety and environmental regulations. This certification underscores the product’s quality and suitability for use in various applications. These key features make the FT-3400 a versatile and reliable choice for flow measurement, offering the flexibility and precision needed for a wide range of applications. Learn more --> https://lnkd.in/eKTkP2My #FlowandEnergyExperts #ONICONDifference #HVAC #ElectromagneticFlowMeter #TurbineFlowMeter

Introducing WEG Electric's new Full Voltage, Non-Reversing, and Non-Combination Enclosed Starters ESW series. Incorporating WEG contactors and overload relays as internal components that meet IEC design standards and UL Horsepower ratings, these magnetic enclosed starters are ideal solutions for protecting and operating low-voltage electric motors.