के निर्माता फाइबर ऑप्टिक तापमान सेंसर, तापमान निगरानी प्रणाली, पेशेवर ओईएम/ओडीएम कारखाना, थोक व्यापारी, प्रदायक.अनुकूलित.

ई-मेल: web@fjinno.net |

ब्लॉग

शुष्क प्रकार के ट्रांसफार्मर तापमान नियंत्रकों के लिए दिशानिर्देश 2025

  • Two core types available: PT100 temperature controllers (for medium-low voltage, general scenarios) and fiber optic temperature controllers (for high voltage, मजबूत ईएमआई, high insulation requirements).
  • Key technical specs: Operating temp -20℃~+55℃, नमी <95% (25°के आसपास), measurement range -30℃~240℃ (पीटी100) / -100℃~300℃ (फाइबर ऑप्टिक), accuracy ±1%FS (पीटी100) / ±0.5%FS (फाइबर ऑप्टिक).
  • Compliance with JB/T7631-2016, ISO9001:2016, आईईसी61000-4, and GB/T17626-2008 standards for reliability and safety.
  • मूलभूत प्रकार्य: बहु-बिंदु तापमान निगरानी, auto/manual fan control, over-temperature alarm/trip, RS485/232 communication, and 4~20mA analog output.
  • Global application cases: अस्पताल, डेटा केंद्र, wind power stations, and manufacturing plants.

1. What is a Dry-Type Transformer Temperature Controller?

इलेक्ट्रिक पावर ट्रांसफार्मर के लिए तापमान नियंत्रक

A dry-type transformer तापमान नियंत्रक is a high-precision device designed to monitor and regulate the temperature of dry-type transformers. It tracks real-time temperatures of transformer windings, लौह कोर, and surrounding environments, preventing overheating caused by overloads or poor ventilation, and ensuring long-term stable operation.

1.1 Core Definition

Early dry-type transformers relied on mechanical thermometers for basic temperature reading, lacking automatic control capabilities. Modern controllers, तथापि, integrate electronic sensing, बुद्धिमान नियंत्रण, और संचार कार्य. They serve as standard safety components for 2.5KV–35KV medium-voltage dry-type transformers, widely used in healthcare, डेटा केंद्र, and renewable energy sectors.
1.2 Technical Standard Compliance
All controllers fully comply with industry and international standards, शामिल:
  • जेबी/टी7631-2016 Electronic Temperature Controllers for Transformers
  • ISO9001:2016 अंतर्राष्ट्रीय गुणवत्ता प्रबंधन प्रणाली प्रमाणन
  • आईईसी61000-4:1995 विद्युत चुम्बकीय संगतता (ईएमसी) Testing Standard
  • जीबी/टी17626-2008 विद्युत चुम्बकीय संगतता परीक्षण और माप तकनीक

2. PT100 vs. Fiber Optic Dry-Type Transformer Temperature Controllers

उच्च परिशुद्धता फ्लोरोसेंट फाइबर ऑप्टिक तापमान सेंसर

PT100 and fiber optic controllers differ in technical performance and scenario adaptability. Fiber optic models excel in strong EMI and high-insulation environments, while PT100 models suit general applications.

Comparison Dimension
PT100 Temperature Controller
Fiber Optic Temperature Controller
मूल सिद्धांत
Resistance-temperature 特性 of platinum resistor (पीटी100)
Fluorescence lifetime-temperature correlation of fluorescent materials
पर्यावरण अनुकूलता
-20℃~+55℃; नमी <95% (25°के आसपास)
-20℃~+55℃ (extendable for some models); नमी <95% (25°के आसपास)
बिजली की आपूर्ति
एसी 220V (+10%, -15%); 50/60हर्ट्ज (±2हर्ट्ज)
एसी 220V (+10%, -15%); 50/60हर्ट्ज (±2हर्ट्ज)
माप प्रदर्शन
श्रेणी: -30.0℃~240.0℃; शुद्धता: ±1%एफएस; प्रस्ताव: 0.1°के आसपास
श्रेणी: -100℃~300℃ (more stable at -30℃~250℃); शुद्धता: ±0.5%FS; प्रस्ताव: 0.1°के आसपास
Output Capacity
पंखा: 9ए/250वीएसी; नियंत्रण: 5ए/250वीएसी (प्रतिरोधक) / 5ए/30वीडीसी (प्रतिरोधक)
पंखा: 9ए/250वीएसी; नियंत्रण: 5ए/250वीएसी (प्रतिरोधक) / 5ए/30वीडीसी (प्रतिरोधक)
बिजली की खपत
≤8W
≤10W
ईएमआई प्रतिरोध & इन्सुलेशन
Reduced EMI via shielded cables; meets JB/T7631-2016 insulation standards
ईएमआई-प्रतिरक्षा (no electromagnetic induction); excellent insulation for high-insulation scenarios
अनुप्रयोग परिदृश्य
Medium-low voltage (≤10KV), general indoor/outdoor areas (कार्यालय भवन, malls)
उच्च वोल्टेज (≥10KV), मजबूत ईएमआई (उपकेंद्रों, wind/solar farms), high-insulation (स्वास्थ्य देखभाल, precision electronics)

3. Advantages of FJINNO Dry-Type Transformer Temperature Controllers

FJINNO controllers stand out for their compliance with technical specs, scenario adaptability, and integrated functions, meeting diverse industry needs.

3.1 Full Specification Compliance & उच्च विश्वसनीयता

All core specs (पर्यावरण अनुकूलता, माप सटीकता, output capacity) meet JB/T7631-2016 and IEC standards. Production includes 72-hour aging tests, high-low temperature cycling tests, and EMC tests to ensure stability in extreme conditions.

3.2 Intelligent Functions & Flexible Control

  • Multi-level temperature control: Auto fan activation based on preset thresholds (जैसे, 80℃ start, 60℃ stop) with manual override.
  • Simulation testing & digital compensation: Corrects sensor errors for long-term accuracy.
  • Customizable thresholds: Adjusts alarm/trip values and communication protocols for specific scenarios.

3.3 ईएमआई प्रतिरोध & पर्यावरण अनुकूलता

  • PT100 models: Shielded design reduces EMI interference.
  • Fiber optic models: Fully EMI-immune, ideal for high-EMI environments.
  • Enclosure protection: आईपी54 (IP65 for some fiber optic models) resists dust, नमी, and mild chemical corrosion.

3.4 संचार & डेटा प्रबंधन

  • RS485/232 ports: Support Modbus-RTU protocol for integration with BMS or power monitoring platforms.
  • 4~20mA analog output: 3/4 independent channels for real-time data transmission to third-party devices.
  • Black box” फलन: Stores 100+ historical temperature/fault records (non-volatile).

3.5 Scenario-Specific Customization

Tailors measurement ranges, control thresholds, and insulation levels for unique needs (जैसे, high-insulation versions for healthcare, EMI-enhanced designs for power stations). Supports integrated monitoring of transformer and ambient temperatures.

4. Core Functions of Dry-Type Transformer Temperature Controllers

Functions vary by type (PT100 vs. फाइबर ऑप्टिक) but cover monitoring, नियंत्रण, सूचना, और सुरक्षा.

4.1 PT100 Temperature Controller Functions

4.1.1 High-Precision Temperature Monitoring

  • 3-phase cycle/max value display: Switches between A/B/C phase winding temps or locks the highest value (0.1℃ resolution).
  • बहुमूत्र निगरानी: Supports windings, लौह कोर, and ambient temps (तक 6 सेंसर).
  • Digital compensation: Automatically corrects sensor errors to maintain ±1%FS accuracy.

4.1.2 Intelligent Cooling & सुरक्षा

  • Auto/manual fan control: Auto-start at set temps; manual override for maintenance.
  • Fan periodic activation: Prevents bearing jamming (जैसे, प्रत्येक 7 दिन).
  • Over-temperature alarm/trip: Audible/visual alarm at 110℃; trip signal at 150℃ to cut transformer power.

4.1.3 सुरक्षा & डेटा प्रबंधन

  • Black box” फलन: Stores historical data and faults.
  • ग़लत अलार्म: Triggers alerts for sensor disconnection or power anomalies.
  • Cabinet door alarm: Alerts for unauthorized access.

4.2 Fiber Optic Temperature Controller Functions

4.2.1 Wide-Range High-Precision Monitoring

  • माप श्रेणी: -100℃~300℃ (optimal stability at -30℃~250℃) for high-voltage transformer windings.
  • आयरन कोर मॉनिटरिंग: Directly measures core temps to prevent insulation aging.

4.2.2 ईएमआई प्रतिरक्षा & High Insulation

  • Fully EMI-immune: No electromagnetic induction, ensuring accuracy in substations or wind farms.
  • Enhanced insulation: No electrical connection between sensor and host, meeting healthcare/precision electronics requirements.

4.2.3 Shared Functions with PT100 Models

Includes auto fan control, over-temperature protection, RS485/232 communication, 4~20mA output, और “ब्लैक बॉक्स” storage for consistent operation logic.

5. Global Application Cases of FJINNO Controllers

FJINNO controllers are deployed in 30+ देशों, with cases demonstrating spec-scenario alignment.

5.1 Munich University Hospital, जर्मनी (High-Insulation Healthcare Scenario)

  • पृष्ठभूमि: 2x 10KV/800KVA transformers powering surgical equipment (उच्च इन्सुलेशन, EMI-sensitive).
  • समाधान: Fiber optic controllers (आईपी54, ईएमआई-प्रतिरक्षा, उच्च इन्सुलेशन) integrated with hospital BMS; core temp monitoring + cabinet alarm.
  • नतीजा: 3 years of stable operation (±0.5℃ accuracy); no EMI-related issues; ambient temp controlled at 22℃~25℃.

5.2 Texas Data Center, यूएसए (High-Voltage EMI Scenario)

  • पृष्ठभूमि: 12x 20KV/1250KVA transformers in 35℃ ambient temps (server EMI).
  • समाधान: Fiber optic controllers (विस्तृत श्रृंखला, ईएमआई-प्रतिरक्षा) साथ “ब्लैक बॉक्स” and 4~20mA output for data center monitoring.
  • नतीजा: Winding temps <80°के आसपास; zero over-temperature alarms; AWS certification obtained.

5.3 Xinjiang Wind Farm, चीन (Outdoor Extreme Environment)

  • पृष्ठभूमि: 35KV transformers in outdoor containers (-30°के आसपास, wind turbine EMI, धूल).
  • समाधान: Fiber optic controllers (आईपी65, low-temp startup module) connected to wind farm O&M platform via RS485.
  • नतीजा: Stable startup in low temps; <±0.3℃ measurement error; unmanned O&M achieved.

5.4 São Paulo Automotive Plant, ब्राज़िल (Medium-Voltage Fluctuating Loads)

  • पृष्ठभूमि: 10KV/1000KVA transformers with variable loads (peak daytime, low nighttime).
  • समाधान: PT100 controllers (periodic fan activation, digital compensation) with time-specific thresholds; integrated with plant power systems.
  • नतीजा: Winding temp fluctuation reduced from ±15℃ to ±5℃; 30% less fan idle time; 5-year extended transformer lifespan.

6. When to Choose a Dry-Type Transformer Temperature Controller

Selection depends on transformer specs, पर्यावरणीय स्थितियाँ, and application needs.

6.1 वोल्टेज स्तर & Load Characteristics

  • Medium-low voltage (≤10KV), general loads: PT100 models (प्रभावी लागत, meets basic EMI needs).
  • उच्च वोल्टेज (≥10KV), full-load operation: Fiber optic models (विस्तृत श्रृंखला, high accuracy for winding temps).

6.2 Environmental EMI & Insulation Requirements

  • मजबूत ईएमआई (उपकेंद्रों, नवीकरणीय ऊर्जा): Fiber optic models (ईएमआई-प्रतिरक्षा).
  • High insulation (स्वास्थ्य देखभाल, precision electronics): Fiber optic models (enhanced insulation).
  • General environments (offices, malls): PT100 models (optimal cost-performance).

6.3 निगरानी & Control Needs

  • बहुमूत्र निगरानी: Choose expandable models (supports windings, कोर, परिवेश).
  • दूरस्थ निगरानी: Select models with RS485/232 and 4~20mA output for platform integration.
  • चरम वातावरण: IP65 fiber optic models (resists low temps, धूल, नमी).

7. Installation Steps for Dry-Type Transformer Temperature Controllers

Installation follows GB 50150 Electrical Equipment Handover Test Standards and product manuals. Ensure the transformer is de-energized and grounded before starting.

7.1 स्थापना पूर्व तैयारी

  1. Equipment verification: Confirm controller model matches transformer voltage; check specs (पर्यावरण अनुकूलता, output capacity).
  1. Tool preparation: Screwdrivers, तार स्ट्रिपर्स, crimpers, multimeters, इन्सुलेशन टेप, drills, स्तरों, and high-temp tape (for PT100 sensors).
  1. Site assessment: Identify controller location (near transformer for wiring) and sensor positions (winding midpoints, कोर क्लैंप); keep PT100 sensors ≥30cm from high-voltage coils.

7.2 सेंसर स्थापना

7.2.1 PT100 Sensor Installation

  1. Clean winding surfaces; attach PT100 probes to midpoints of 3-phase windings with high-temp tape (≥180℃).
  1. Mount core sensors on core clamps (avoid direct contact with silicon steel sheets); secure with cable ties.
  1. Route sensor wires along transformer frames (labeled for phase); keep away from high-voltage coils.

7.2.2 Fiber Optic Sensor Installation

  1. Verify pre-drilled channels in windings (matching probe diameter).
  1. Insert probes into windings (1/2 winding thickness depth); seal roots with high-temp adhesive to prevent loosening.
  1. Route fiber cables in dedicated trays (bend radius ≥5cm); connect to controller and seal for dust protection.

7.3 Controller Host Installation

  1. Mounting location: Install on walls or in control cabinets (1.2~1.5m height for accessibility); avoid direct sunlight, बारिश, or heat sources.
  1. Fixing: Secure brackets with expansion bolts; mount the host and level with a level tool.
  1. Outdoor protection: Add rain shields (IP≥54) for outdoor installations; ensure ventilation.

7.4 Wiring Configuration

  1. Power wiring: Connect AC 220V (L/N/PE terminals); verify voltage (187V~242V) with a multimeter.
  1. Sensor wiring: PT100 wires to A/B/C terminals (polarity-sensitive); fiber optic probes to dedicated ports (tighten nuts).
  1. Control/communication wiring: Fan wires toFAN” टर्मिनल; alarm wires toALM”; trip wires toTRIP”; रु.485 (ए/बी टर्मिनल, shield grounded at host end); 4~20mA wires to analog output terminals (labeled clearly).

7.5 Pre-Power Check

  1. Circuit testing: Use a multimeter to check for short circuits in power/sensor/control loops.
  1. दृश्य निरीक्षण: Confirm no loose terminals, damaged wires, or debris in the host.
  1. सफाई: Remove dust from the host and sensors.

7.6 चालू & Acceptance

  1. Power-on self-test: Turn on power; confirm no fault codes; check temp readings match ambient.
  1. फ़ंक्शन परीक्षण:
  • Simulated heating: Use a heat gun to test PT100 accuracy (±1%एफएस); use a calibrated temperature source for fiber optic models (±0.5%FS).
  • Control test: Verify fan activation at 80℃ and shutdown at 60℃; test alarm at 110℃ and trip at 150℃.
  • Communication test: Check data transmission via RS485/4~20mA to monitoring platforms.
  1. Acceptance: Document commissioning data; sign off after confirming all specs/functions meet requirements.

8. Why Choose FJINNO Dry-Type Transformer Temperature Controllers?

FJINNO is a preferred choice for global buyers due to compliance, अनुकूलन क्षमता, और समर्थन.

8.1 Full Standard Compliance & Technical Reliability

All products pass third-party testing for JB/T7631-2016, आईईसी61000-4, and ISO9001 standards, ensuring consistent performance in global markets.

8.2 Scenario-Tailored Product Portfolio

Covers PT100 (general use) and fiber optic (specialized use) मॉडल. Customizes functions for healthcare, डेटा केंद्र, and renewable energy to avoid over-specification or under-performance.

8.3 वैश्विक समर्थन & तेजी से वितरण

  • Inventory: Stock of standard models for 48-hour domestic delivery and 72-hour international delivery.
  • तकनीकी समर्थन: Free pre-installation consultation, remote commissioning, and on-site support via 15 global service centers.
  • प्रलेखन: English manuals, spec sheets, and compliance certificates for import clearance.

8.4 सुरक्षा & Data Security

  • Multiple protections: Over-temperature trip, door alarm, and fault self-test reduce operational risks.
  • Data integrity: “Black boxand encrypted communication prevent data loss or tampering.

अस्वीकरण

This document is for reference only and does not constitute a binding agreement. तकनीकी निर्देश, कार्य, and application details are subject to change without prior notice. For accurate, up-to-date information, please refer to the official contract signed with FJINNO and the latest technical documents provided by FJINNO’s sales manager. FJINNO shall not be liable for any discrepancies between this guide and actual product performance caused by unauthorized modifications or improper use.

पूछताछ

फाइबर ऑप्टिक तापमान सेंसर, बुद्धिमान निगरानी प्रणाली, चीन में वितरित फाइबर ऑप्टिक निर्माता

फ्लोरोसेंट फाइबर ऑप्टिक तापमान माप फ्लोरोसेंट फाइबर ऑप्टिक तापमान माप उपकरण वितरित प्रतिदीप्ति फाइबर ऑप्टिक तापमान माप प्रणाली

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