INNO 光ファイバー温度センサー ,温度監視システム.
• 温度監視システム: 蛍光光ファイバーセンサー, 赤外線熱画像処理, distributed fiber optic monitoring technologies
• Vibration Analysis Systems: Time-domain analysis, frequency-domain analysis, envelope analysis, order analysis monitoring methods
• 部分放電検出システム: 超音波, UHF, electrical measurement, optical partial discharge monitoring techniques
• Electrical Parameter Monitoring Systems: Current signature analysis, voltage quality, power analysis, harmonic monitoring
• Insulation State Monitoring Systems: 絶縁抵抗, 誘電損失, 漏れ電流, insulation oil online monitoring
Electrical Systems Monitoring Fundamentals
Definition and Principles of 状態監視 for Electrical Systems
Electrical equipment condition monitoring is a comprehensive technology solution that employs sensor technology, データ収集システム, and analysis platforms to perform real-time monitoring, 分析, and diagnosis of electrical equipment operational status. The system continuously collects critical parameters such as temperature, 振動, 現在, 電圧, and partial discharge through professional sensors installed on key electrical equipment, establishing comprehensive equipment health profiles.
Necessity Analysis of Electrical Equipment 監視
Modern industry demands extremely high power supply reliability, as any electrical equipment failure can cause significant losses. Traditional periodic maintenance models can only verify equipment status at specific moments, unable to guarantee equipment performance between inspection periods. Electrical equipment failures typically develop progressively, and through condition monitoring, abnormal signs can be detected early to prevent major failures, transitioning from reactive to proactive maintenance.
Implementation Strategy for Electrical 状態監視
Building a condition monitoring system requires sensor networks, データ収集システム, 通信ネットワーク, and data processing platforms. Appropriate monitoring parameters and sensor types must be selected based on different equipment characteristics, such as fluorescent fiber optic temperature sensors for switchgear contact monitoring and distributed fiber optics for busbar temperature monitoring, establishing analysis platforms for fault diagnosis.
Online vs Offline 監視 比較
Online Condition Monitoring Systems
Online condition monitoring can be defined as continuous or predictive monitoring processes, most suitable for power assets critical to enterprise productivity. This continuous monitoring approach can detect potential problems earlier, enabling engineers to identify issues before small problems evolve into serious failures.
Offline Condition Monitoring Systems
Offline condition monitoring refers to occasional or periodic processes, typically performed as part of planned maintenance. This occurs when power disconnection is required or when technicians are allowed to enter equipment areas. Due to lower inspection frequency, this method is typically used for electrical equipment less critical to productivity.
Monitoring Coverage Comparison Analysis
Assuming 8,760 hours of normal operation annually, with periodic inspections averaging 1 hour per equipment, periodic inspections only cover 0.01% of operating time, with the remaining 99.99% relying on luck. Round-the-clock online monitoring provides 100% カバレッジ, ensuring any anomaly can be detected promptly.
Core Technologies and Sensors for Electrical Systems Monitoring
温度 監視 Technology Comparison for Electrical Systems
| テクノロジーの種類 | 動作原理 | 主な利点 | 主な欠点 | アプリケーションシナリオ |
|---|---|---|---|---|
| 蛍光光ファイバー | Temperature-sensitive fluorescent materials | EMI耐性, 高精度, 本質安全防爆, 速い応答 | コストが高い, requires professional maintenance | HV switchgear contacts, 変圧器巻線 |
| 赤外線サーマルイメージング | Non-contact infrared radiation detection | 非接触, 速い, visual | Environmental influence, limited accuracy | 定期点検, large area detection |
| 熱電対 | Thermoelectric effect | 低コスト, 速い応答 | 干渉を受けやすい, 限られた寿命 | General industrial environments |
| 分散型光ファイバー | Raman scattering effect, 分散測定 | Wide-range monitoring, 正確な位置決め, 継続的な配布 | Complex system, high investment | バスバー, cable ducts, long-distance monitoring |
振動解析 監視 Systems for Electrical Equipment
状態監視 Time-Domain Vibration Analysis
Evaluates overall vibration levels and impact severity by monitoring time-domain characteristic parameters such as peak values, RMS values, and waveform factors of vibration signals.
Frequency-Domain Vibration Analysis for 監視
Uses FFT (Fast Fourier Transform) to convert time-domain signals into frequency spectra, identifying characteristic frequencies of specific faults such as bearing fault frequencies and gear meshing frequencies.
Envelope Analysis 監視 テクノロジー
Extracts low-frequency modulation signals by demodulating high-frequency carrier signals, particularly suitable for early detection of rolling bearing faults.
Order Analysis for Equipment 監視
Eliminates the influence of speed fluctuations, specifically used for fault diagnosis of variable-speed equipment, improving diagnostic accuracy.
部分放電検出 監視 for Electrical Systems
Ultrasonic Partial Discharge 監視
Detects ultrasonic signals generated by partial discharge, featuring strong electromagnetic interference immunity and high positioning accuracy, suitable for online monitoring.
UHF Partial Discharge 状態監視
Detects ultra-high frequency electromagnetic signals generated by partial discharge with extremely high sensitivity, capable of detecting weak partial discharge phenomena.
Electrical Method Partial Discharge 監視
Detects electrical pulse signals generated by partial discharge, representing the most traditional and mature method, suitable for laboratory testing and offline detection.
Optical Partial Discharge Detection Systems
Detects optical signals generated by partial discharge, particularly suitable for online monitoring of SF6 gas-insulated equipment.
Electrical Parameter Analysis 監視 システム
モーター電流特性の解析 (MCSA) 監視
Diagnoses rotor bar breaks, eccentricity, ベアリングの欠陥, and other issues by analyzing spectral characteristics of motor stator current without requiring additional sensors.
Voltage Quality 監視 システム
Real-time monitoring of voltage deviation, voltage fluctuation, flicker, and other voltage quality parameters to assess grid quality impact on equipment.
Power Analysis 監視 システム
Monitors active power, reactive power, apparent power, and power factor parameters to evaluate equipment operating efficiency and power quality.
高調波解析 監視 システム
Specialized monitoring of current and voltage harmonics, analyzing harmonic effects on equipment and guiding harmonic mitigation measures.
Insulation State 監視 for Electrical Systems
Online Insulation Resistance 監視
Continuously monitors equipment insulation resistance changes, promptly detecting insulation performance degradation trends.
Dielectric Loss 監視
Evaluates insulation material aging degree and moisture content by measuring dielectric loss tangent values.
Leakage Current 監視
Monitors equipment leakage current changes, reflecting overall insulation system health status.
Insulation Oil Online 監視
For oil-immersed equipment, online monitoring of insulation oil electrical performance and chemical composition changes.
状態監視 Solutions for Electrical Equipment
高圧開閉装置 監視 ソリューション
包括的な 監視 Solutions for HV Switchgear
High voltage switchgear is a critical component of power systems requiring comprehensive monitoring to ensure safe and reliable operation.
• Contact Temperature Monitoring: Fluorescent fiber optic sensors directly measure circuit breaker moving and fixed contact temperatures
• バスバー接続温度監視: Fluorescent fiber optic sensors monitor busbar connections and branch connection temperatures
• Cable Head Temperature Monitoring: Monitor incoming and outgoing cable head temperature changes
• 部分放電監視: Ultrasonic and UHF sensors detect insulation defects
Mechanical State 監視 for HV Switchgear
• Circuit Breaker Mechanical Characteristics Monitoring: Monitor opening/closing time, speed, travel, and other mechanical parameters
• Operating Mechanism Monitoring: Vibration sensors monitor mechanical state of operating mechanisms
• Spring Energy Storage Monitoring: Monitor energy storage state of spring operating mechanisms
• Cabinet Vibration Monitoring: Monitor cabinet vibration during switching operations
Medium and Low Voltage Switchgear 監視
高圧開閉装置 状態監視 ソリューション
Medium voltage switchgear serves as critical nodes in distribution systems, requiring focused monitoring of contact temperature, 部分放電, mechanical characteristics, および環境パラメータ.
• 温度監視: Fluorescent fiber optic sensors directly measure circuit breaker contact temperatures
• 部分放電検出: Ultrasonic sensors detect acoustic signals from insulation defects
• SF6 ガスの監視: Monitor gas density and leakage conditions
• Mechanical Characteristics Monitoring: Vibration sensors monitor operating mechanism status
Low Voltage Switchgear 監視 ソリューション
Low voltage switchgear primarily monitors contact temperature, connection point temperature, 現在, および環境パラメータ.
• 多点温度監視: Fluorescent fiber optic temperature systems monitor critical connection point temperatures
• 電流監視: Current transformers provide real-time load current monitoring
• 絶縁監視: Online insulation resistance testing
• 環境モニタリング: Cabinet internal temperature and humidity monitoring
モーターコントロールセンター 監視 ソリューション
Overall MCC 監視 建築
Motor control centers contain multiple motor starters and control equipment, requiring establishment of hierarchical monitoring systems.
• Busbar Temperature Monitoring: Fluorescent fiber optic sensors monitor main busbar and branch busbar temperatures
• Contactor Status Monitoring: Monitor contactor operation counts and contact resistance changes
• Protection Device Monitoring: Circuit breaker and fuse status monitoring
• Motor Operating Parameter Monitoring: 現在, 電圧, and power factor monitoring
トランス 監視 ソリューション
Dry-Type Resin Core Transformer 監視
Dry-type transformers without oil cooling focus on monitoring winding temperature and insulation status.
• Winding Temperature Monitoring: Fluorescent fiber optic sensors directly measure winding hot spot temperatures
• Core Temperature Monitoring: Monitor temperature rise from core losses
• 部分放電監視: Ultrasonic sensors detect insulation defects
• Cooling Fan Monitoring: Fan operating status and vibration monitoring
Motor Winding 監視 システム
Motor Stator Winding Temperature 監視
Motor stator windings are core motor components where temperature monitoring is crucial.
• Winding End Temperature Monitoring: Fluorescent fiber optic sensors directly measure winding end temperatures
• Slot Temperature Monitoring: Monitor temperature distribution of windings within core slots
• Three-Phase Winding Temperature Comparison: Monitor three-phase winding temperature balance
• Winding Hot Spot Identification: Automatically identify winding hottest point locations
Motor Winding Insulation 状態監視
• Online Insulation Resistance Monitoring: Continuously monitor winding-to-ground insulation resistance
• 部分放電監視: Detect partial discharge from winding insulation defects
• Insulation Capacitance and Loss Factor Monitoring: Evaluate insulation aging degree
• Turn-to-Turn Insulation Monitoring: Specialized monitoring of turn-to-turn insulation status
Generator Stator and Rotor 監視 ソリューション
発電機 固定子 監視 ソリューション
Generator stators are critical generator components requiring comprehensive monitoring.
• Stator Winding Temperature Monitoring: Fluorescent fiber optic sensors monitor winding temperatures at various locations
• Stator Core Temperature Monitoring: Monitor core temperature distribution and hot spots
• Stator Insulation Monitoring: Online monitoring of stator insulation resistance and partial discharge
• Stator Vibration Monitoring: Monitor stator mechanical vibration and natural frequencies
Generator Rotor 監視 ソリューション
Generator rotor monitoring requires higher technical specifications and specialized monitoring technology.
• Rotor Winding Temperature Monitoring: Fluorescent fiber optic sensors measure rotor winding temperatures
• Rotor Dynamic Balance Monitoring: Monitor rotor dynamic balance status
• Rotor Insulation Monitoring: Rotor winding-to-ground and turn-to-turn insulation monitoring
• Rotor Bearing Monitoring: Bearing temperature, 振動, and oil film pressure monitoring
バスバー 監視 システム
分布温度 監視 for Busbar Systems
Overhead busbars carry high currents, employing 分散型光ファイバー temperature monitoring technology for full-line monitoring.
• 分散型光ファイバー温度監視: Deploy distributed fiber optic sensors along entire busbar length
• Continuous Temperature Distribution Monitoring: Real-time monitoring of entire busbar temperature distribution
• Automatic Hot Spot Location: Automatically identify and locate abnormal heating points
• 温度上昇傾向分析: Analyze temperature change trends and current-carrying capacity
状態監視 産業用途
石油化学産業 監視 アプリケーション
Petrochemical Environment 監視 要件
Petrochemical facilities operate in complex environments with high explosion-proof requirements and extremely high equipment reliability demands. Electrical equipment failures can trigger safety incidents, necessitating strict condition monitoring implementation.
分散型光ファイバー 監視 Advantages in Petrochemical Industry
Distributed fiber optic sensing technology is particularly suitable for wide-area temperature monitoring in petrochemical industry:
• Intrinsic safety meeting explosion-proof requirements
• Corrosion resistance adapting to harsh environments
• Wide coverage range monitoring several kilometers
• Precise positioning accurately identifying abnormal locations
• Real-time monitoring of cable trenches and pipe rack temperature distribution
Power System 監視 アプリケーション
Power Plant Equipment 監視
発電機, 主変圧器, auxiliary transformers, and other critical equipment establish hierarchical monitoring systems ensuring safe and stable power production.
Unmanned Substation 監視
Substations adopt remote monitoring modes with condition monitoring systems providing 24-hour equipment health surveillance.
Manufacturing and Data Center 監視 アプリケーション
Production Line Critical Equipment 監視
Implement focused monitoring on production bottleneck equipment to avoid affecting overall production schedules.
Data Center Power Infrastructure 監視
UPSシステム, PDU, and distribution equipment monitoring ensuring stable IT equipment power supply.
Recommended Manufacturers and Product Selection
Global Leading 監視 Equipment Manufacturers Comparison
| ランク | メーカー | 国/地域 | Core Technology Areas | 主な製品 | 技術的特徴 | 市場での地位 |
|---|---|---|---|---|---|---|
| 1 | フジノ | 中国 | Distributed fiber sensing, 蛍光ファイバーの温度監視 | DTSシステム, 蛍光ファイバー温度センサー | Leading fiber sensing technology, 本質安全防爆 | Professional sensor manufacturer |
| 2 | シュナイダーエレクトリック | フランス | Comprehensive power management | PowerLogic series, EcoStruxure プラットフォーム | Digital power management, IoT platform | Comprehensive solution provider |
| 3 | ABB | スイス | 産業オートメーション, 電力設備 | アビリティプラットフォーム, 保護リレー | Digital factory, スマートグリッド | Industrial giant |
| 4 | シーメンス | ドイツ | Digital industry | SENTRON series, MindSphere platform | デジタルツイン, エッジコンピューティング | 業界 4.0 leader |
| 5 | ゼネラル・エレクトリック | アメリカ合衆国 | Industrial Internet | Predix platform, vibration monitoring equipment | Industrial big data, 故障診断 | Industrial Internet pioneer |
監視 Product Selection Guidelines
Technical Suitability Assessment
Select the most appropriate technology solutions based on monitoring objects, 環境条件, および精度要件.
System Compatibility Considerations
Ensure good compatibility between new systems and existing equipment and information systems.
費用対効果の分析
Comprehensively consider initial investment, 運営費, メンテナンス費用, and expected returns.
Supplier Service Capabilities
Evaluate supplier technical support, training services, and spare parts supply capabilities.
専門的な相談と技術サポート
Free 監視 評価サービス
• On-site electrical system health assessments
• Customized monitoring solution design
• Return on investment analysis
状態監視 技術サポートとトレーニング
• System integration technical guidance
• Operation and maintenance training
• Continuous technical support
Contact our expert team immediately for professional electrical equipment condition monitoring solution consultation, ensuring safe and reliable operation of your electrical systems.
光ファイバー温度センサー, インテリジェント監視システム, 中国の分散型光ファイバーメーカー
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