
I. Tusheniyar Aiki da Dukkana
Aikatau mai zurfi a cikin hanyoyin kungiyar tushen (CTs) suna da abubuwa kamar yawan ƙasa, tsarin gaji mai zurfi, batun linearity, da yawan iya kasancewa. Da samun hadin kai na smart grids da digital substations, akwai lalacewar masu shirya a cikin inganci, aiki da yanayi, da kyauka bayanai. Aikatau mai elektronika (ECTs), da ake magana a kan full digitalization, bandi mai yawa, da yanayin kudin kwarewa, suka zama amsa mafi so kuɗi don aiki na farkon power systems.
II. Abubuwan Amsa Mafi So
Daga ƙananan aiki da kudin kwarewa da Plug-and-Play design, wannan amsa ta samu waɗannan duka:
- Tushen Masu Kyau
- Aiki da Kula da Tsarin Gaji: Ana ƙara Rogowski coils/low-power TMR/AMR sensors, integrated signal conditioning, A/D conversion, da digital processing modules, ana samun digitization na current tun daga ƙasashen device.
- Output Protocol Direct: Yana ƙara protocols masu standard kamar IEC 61850-9-2LE/9-2, IEC 60044-8, da Modbus don output pure digital signals, wanda ya ba aiki da protection relays, measurement & control units, da local edge computing nodes.
- Kadaddukan Intermediate Components: Ya ƙare yawan da take so in yi secondary conversion cables da merging units da ke ciki a cikin CTs traditoci, wanda ya ƙara yawan system da fail points.
- Kudin Kwarewa Mai Tsarki
- Modular Hardware Design: Yana ƙara independent configuration da upgrades of sensors, processing units, da communication interfaces. Users zaka iya zaɓe specifications (e.g., measurement bandwidth options from 50Hz to 20kHz).
- Software-Defined Functionality: Daga ƙananan unified configuration platform (e.g., Web interface or dedicated tools), ana iya adjust parameters such as sampling rate (1kS/s to 1MS/s), measurement range (5A to 100kA), da alarm thresholds don aiki da scenarios kamar protection, metering, da harmonic analysis.
- Dynamic Adaptation to Topology Changes: Ba a buƙatar hardware replacement ba, bane a buƙatar software configuration updates don system expansion ko retrofitting.
- True Plug-and-Play Experience
- Simplified Physical Installation: Compact design (>60% size reduction) da standardized interfaces (e.g., M12 connectors) yana ƙara rapid rail/bolt mounting, wanda ya ƙara on-site wiring time by 80%.
- Zero-Configuration Auto-Connection: Idan an kafa, devices yana broadcast identity (including Device ID, Model, Protocol Version). Master systems (e.g., SCADA or IEDs) zaka iya auto-recognize da load predefined configuration templates.
- Commissioning-Free Operation: Factory pre-calibration da temperature compensation algorithms yana ƙara accuracy (Class 0.2 / 0.5) ba da on-site manual calibration; yana ƙara self-diagnostics (e.g., wire-break detection, drift alarms).
III. Enabling On-Device Processing for Smart Advanced Applications
ECTs ba su ne data acquisition units kawai, amma intelligent edge nodes:
- On-Device Computing: Built-in ARM Cortex-M7 processor yana ƙara real-time harmonic analysis (THD/individual harmonics), transient waveform recording, da power quality assessment (P/Q/S calculations), wanda ya ƙara data processing load on master stations.
- Future-Ready Extensibility: Pre-equipped with an AI accelerator interface to support deploying predictive models (e.g., motor bearing wear early warning based on current waveform recognition) or dynamic capacity expansion algorithms.
IV. Standardized Interfaces Ensure Full Ecosystem Interoperability
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Interface/Protocol
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Application Scenario
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Value
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IEC 61850-9-2LE
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Digital Substation Protection & Monitoring
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Millisecond-level synchronized sampling, seamless integration with GOOSE/SV networks
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Ethernet/IP
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Industrial Automation System Integration
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Supports OPC UA for IT/OT data fusion
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DL/T 860 (IEC 61850)
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Domestic Smart Grid Compatibility
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Meets State Grid/CSG standardization requirements
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V. Value Summary
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Dimension
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Traditional CT
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This ECT Solution
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Improvement
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Installation & Commissioning Time
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3-5 Days
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<4 Hours
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90% Efficiency Gain
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System Retrofit Cost
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High (Requires cable & MU replacement)
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Very Low (Config-Only)
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40% CAPEX Reduction
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O&M Complexity
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Periodic calibration, prone to saturation
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Maintenance-Free + Self-Diagnostics
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70% OPEX Reduction
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Advanced Feature Support
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Dependent on external devices
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Native Integration
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Unlocks real-time analytics & predictive maintenance
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