SEL-2414 Transformer Monitor
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Catalog excerpts

SEL-2414 Transformer Monitor - 1

SEL-2414 Transformer Monitor Complete System for Control and Monitoring Major Features and Benefits The SEL-2414 Transformer Monitor provides an exceptional combination of monitoring, control, and communications in a compact package. ➤ High Reliability, Rugged Design, and Low Price. Apply the SEL-2414 in harsh physical and electrical environments. The SEL-2414 withstands vibration, electrical surges, fast transients, extreme operating temperatures from –40° to +85°C, and meets stringent utility standards. Compare our superior specification compliance, higher reliability, lower price, and worldwide, ten-year warranty to other transformer monitor alternatives. ➤ Flexible I/O for Transformer Status, Alarms, and More. Input/output options include digital inputs for status such as oil level and sudden pressure; RTD and thermocouple inputs for measurements such as ambient, top-oil, and hot-spot temperatures; digital outputs for control and alarms; analog inputs and outputs; and ac current and voltage inputs. Easily program monitoring and control functions with powerful logic, math, timers, counters, and edge-trigger functions. These features allow easy integration with new and retrofit transformer monitor applications. Monitor critical substation assets with comprehensive transformer thermal and through-fault monitoring. ➤ Advanced Asset Monitoring. Monitor critical substation assets with comprehensive transformer thermal and through-fault monitoring. Calculate top oil, hotspot, insulation aging acceleration factor, and loss of life while generating hourly and daily data about your transformer. Capture through-fault current data that could lead to increased transformer wear. ➤ Critical Reporting and Logging. Store up to 512 Sequential Events Recorder (SER) reports of digital input transitions, time-tagged to the nearest millisecond. Analyze SER reports, analog trending and oscillographic event reports for rapid commissioning, testing, and post-event diagnostics. Send the SER data to a communications processor or computer for system analysis. ➤ Communications and Integration. Automate fan bank control with flexible communication options that provide easy integration with SCADA. Choose from single and dual Ethernet, Modbus® TCP, DNP3 LAN/WAN, IEC 61850, Modbus Serial, EIA-232, EIA-485, Telnet, and File Transfer protocols. Schweitzer Engineering Laboratories, Inc.

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SEL-2414 Transformer Monitor - 2

2 ➤ AC Metering Capabilities. The SEL-2414 provides extensive ac metering and monitoring capabilities. Voltage, current, power, energy, power factor, frequency; demand/peak demand metering; and maximum/minimum metering are measured and recorded. Values can be used in programmable calculations and triggers within the meter. ➤ Simple Commissioning Tools. Front-panel HMI provides complete configuration access and displays settings, measurements, and calculated values. Easily set with ACSELERATOR QuickSet® SEL-5030 Software. Product Summary The SEL-2414 Transformer Monitor withstands harsh...

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SEL-2414 Transformer Monitor - 3

Monitoring and Control Features Apply flexible I/O options to meet the many needs of new or retrofit transformer installations. The SEL-2414 includes four slots for plug-in I/O cards. Use digital inputs (DI) to monitor critical transformer alarms and status points. Use analog inputs (AI) to measure pressure, oil level, temperatures, tap positions, and process-level signals (e.g., 4–20 mA, 0–1 mA) from transducers. Operate cooling fans, equipment, alarms, or provide indication with relay-contact or solidstate digital outputs (DO) and analog outputs (AO). Measure ac currents and ac voltage to...

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SEL-2414 Transformer Monitor - 4

I/O (Status and Alarms) Use digital inputs to monitor critical alarms such as oil levels, pressures, gas accumulation; they may also be used for status points such as fans on/off and breakers open/closed, as shown in Figure 3. 2 DI (Slot A – Partial) Cooling Lockout (Inhibit) Sudden Pressure # Gas Accumulation # Loss of Auxiliary Power Oil Flow #1 Oil Flow #2 Fault Pressure (Tank) Pressure Relief (Tank) Heat Detector Deluge Monitor Fan/Pump #1 Alarm Fan/Pump #2 Alarm Oil Level (OLTC) # = Buchholz 10 RTD/TC (Slot D) Top-Oil (3 for 1) Hot-Spot (3) OLTC Tank Oil Spares Load Voltage (3 for 1)...

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SEL-2414 Transformer Monitor - 5

Analyze Transformer Sequence-of-Events # DATE TIME ELEMENT STATE 10 04/03/2005 06:54:10.753 Device Settings Changed 5 04/03/2005 07:06:14.993 Device Settings Changed Figure 4 Example SER Report wvrwitiiDiwnHiNrui rtrr Figure 5 Combine SER Data From Multiple SEL-2414 Transformer Monitors for a System-Wide Log and Display Figure 6 Example SER Collection Architecture Schweitzer Engineering Laboratories, Inc.

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SEL-2414 Transformer Monitor - 6

Analyze Transformer Event Waveforms Record analog and digital waveforms at 32 samples/cycle for up to 64 power system cycles, approximately 1 s. Use the event report to move the oscillographic data to your PC. You can plot your event report data with the SEL-5601 Analytic Assistant software or with Microsoft® Excel®. Event reports contain ac currents, ac voltages, and digital inputs and outputs. The report automatically adjusts content to the I/O cards you use. Reports are stored in nonvolatile memory to protect your data even if power is lost. Event reports are optimized for recording...

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SEL-2414 Transformer Monitor - 7

Use the thermal event report to capture current hourly and daily data about your transformer. Operating temperature calculations are based on load currents, type of cooling system, and actual temperature inputs (ambient and top-oil). Use as many as four thermal sensor inputs: a single ambient temperature transducer and one transducer for top-oil temperature from each of three singlephase transformers. Temperature data are obtained via an internal RTD/thermocouple card or from an external SEL-2600A RTD Module. While the SEL-2414 can receive temperature data at any rate, the thermal element...

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SEL-2414 Transformer Monitor - 8

Front-Panel Visualization and Control Ambient Temperature 24.0 deg C Build your own custom displays. Rotating displays show device measurements and settings information based on userconfigured display points. Large temperature range for installing in outdoor cabinets Access device configuration, detailed I/O status, alarms, and measured values with easy-to-use controls for operator interface Powered properly and self-tests are okay Program LEDs to indicate control state Configure 7 programmable LEDs to indicate I/O activity and device status Program 4 pushbuttons to perform direct user...

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