Máy phân tích DGA
Các sản phẩm giám sát trực tuyến hàng đầu và phần mềm TM VIEW ™ của chúng tôi đang giám sát thế hệ, các máy biến áp, truyền tải và phân phối điện trên toàn thế giới. DGA (phân tích khí hòa tan) của dầu biến thế là dấu chỉ tốt nhất về tình trạng tổng thể của máy biến áp. Lần đầu tiên, lợi ích của giám sát tình trạng trực tuyến có thể được thực hiện trên toàn bộ đoàn tàu phân phối biến thế.
Trong suốt hệ thống của bạn có những máy biến áp quan trọng đối với độ tin cậy của lưới điện GSU của bạn - các máy biến áp truyền tải lớn, và các trạm biến áp, máy biến áp quan trọng. Máy chủ trên màn hình máy biến áp DGA cung cấp thông tin quan trọng cần thiết và kịp thời để duy trì độ tin cậy và an toàn của đội tàu biến thế.
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| DGA Method: Solid-state H2 sensor immersed directly in the oil |
|
| Accuracy | ±15% or ±20 ppm |
| Repeatability | ±5% or ±10 ppm |
| Range | 20 – 10,000 ppm |
| Additional Monitoring Options (Optional) | |
|
Moisture-in-Oil |
Accuracy: ±5% Range: 0-100% RS |
|
Oil Temperature |
Accuracy: ±2°C (typically) Range: -40°C to +120°C |
| Gas Analysis Parameters | |
| Oil Sampling Rate | Continuous oil sampling; gas analysis is reported every 30 minutes |
| Data Management | Data is date and time stamped; up to five years of data is stored in memory |
| Display | |
| Display | Integrated display of H2 Level, H2 Rate of Change (ROC), Moisture (optional) and Service Codes. |
| Alarms | |
| Relay Contact Ratings | Max switched Power 100 W or 600 VA Max switched Current 3 A Max switched Voltage 150 VDC or 300 VAC |
| 3 DGA Relays |
Three (3) programmable alarm relays for H2 Level (ppm), H2 Rate of |
| 2 Alarm Relay | Two (2) alarm relays for power and service status |
| External Inputs | |
| Digital Inputs | RS232 for configuration utility and diagnostics USB Mini B for direct connection with computer or USB Thumb Drive |
| Analog Input |
Two (2) analog 4-20 mA inputs for optional moisture probe |
|
Communications |
|
| Standard Interfaces |
RS232 / 485, USB 2.0 |
| Supported Protocols |
DNP3 and Modbus |
| Environmental Specifications |
|
| Operating Temperature | -50°C to +55°C |
| Oil Temperature | -20°C to +105°C |
| Oil Inlet Pressure | 0 to 100 psi (0 to 7 bar) |
| Physical Specifications | |
| Product Dimensions | HxWxD: 9.2 in x 9.9 in x 12.3 in (23.4 cm x 25.1 cm x 31.2 cm) |
| Product Weight | 9 lb (4 kg) |
| Enclosure Rating | NEMA 4X, IP66 |
| Input Power Requirements | |
| Voltage | 100 - 240 VAC |
| Frequency | 50/60 Hz |
| Current | 0.8 A max |
| Radiated and Conducted Emissions | |
| Radiated Emissions | EN 61326-1: 2006 CISPR 11:2009 A1:2010 Class A |
| Conducted Emissions | EN 61326-1: 2006 CISPR 11:2009 A1:2010 Class A |
| Current Harmonics | EN 61000-3-2:2006 A1:2009 A EN 61000-3-2:2006 A1:2009 Class A |
| Voltage Fluctuations | EN 61000-3-3:2008 EN 61000-3-3:2008 Class A |
| Radiated and Conducted Immunity | |
| ESD | EN 61326-1:2006 IEC61000-4-2:2009 |
| Radiated Immunity | EN 61326-1:2006 IEC61000-4-3:2006 A2:2010 |
| EFT | EN 61326-1:2006 IEC61000-4-4:2004 A1:2010 |
| Surge | EN 61326-1:2006 IEC61000-4-5:2006 |
| Conducted RF Immunity | EN 61326-1:2006 IEC61000-4-6:2009 |
| Magnetic Field Immunity | EN 61326-1:2006 IEC61000-4-8:2010 |
| Voltage Dips & Interrupts | EN 61326-1:2006 IEC61000-4-11:2004 |
| Vibration | IEC 60255-21-1 |
| Safety | |
|
Specification |
IEC 61010-1, IEC 61010-2-81, UL 61010-1 (2nd Edition), CSA-C22.2 No. 61010-1-04 |
| DGA Method: Laboratory Grade Gas Chromatography |
|
| Methane (CH4) | Accuracy: ±5% or ±5 ppm Repeatability: <1% Range: 5-7,000 ppm |
| Ethylene (C2H4) | Accuracy: ±5% or ±3 ppm Repeatability: <1% Range: 3-5,000 ppm |
| Acetylene (C2H2) | Accuracy: ±5% or ±1 ppm Repeatability: <2% Range: 1-3,000 ppm |
| Additional Monitoring Options | |
|
Moisture-in-Oil |
Accuracy: ±2% Range: 0-100% RS| |
|
Oil Temperature |
Accuracy: 0.1°C (typically) Range: -40°C to +180°C |
| Gas Analysis Parameters | |
| Oil Sampling Rate | Oil sampling is continuous and gas analysis intervals are user-selectable from 2 hours to 12 hours (Default: 4 hours). Automatic schedule acceleration when rate of change alarm limit is exceeded (Default: 1 hr) |
| Data Management | All data is date and time stamped and up to two years of data is stored in memory |
| Automated Calibration Verification | System performs periodic automated calibration verification to National Institute of Standards and Technology (NIST) traceable gas standard |
| Alarms | |
| Two individually programmable relays | 50 VDC or 240 VAC @ 3 A max. (125 VDC @ 1 A max.); relay contacts operate as normally open or normally closed |
| Supported Alarms |
Gas Caution & Alarm for Level (ppm), Rate-of-Change (ppm/day), Power and/or Service Event |
| External Sensor Inputs | |
| Analog Inputs | Three (3) analog 4 to 20 mA inputs, ambient temperature sensor included. Optional sensors include transformer load guide and moisture-in-oil with temperature probe (uses 2 inputs) |
|
Communications |
|
| Standard Interfaces |
RS-232, RS-485, Ethernet Fiber (100Base-FX), V.92 Internal POTS modem |
| Optional Interfaces |
Cellular modem, Ethernet Copper (10/100Base‑TX), Wireless Radio |
| Supported Protocols |
TCP/IP, DNP3, Modbus RTU, ASCII, OPC and IEC 61850 |
| Environmental Specifications |
|
| Operating Temperature | -50°C to +55°C |
| Cold Start Temperature | -20°C |
| Operating Humidity | 5% to 95% RH, non-condensing |
| Oil Inlet Pressure | 0 to 45 psi (0 to 3 bar) |
| Storage Temperature | -40°C to +75°C |
| Storage Humidity | 5% to 95% RH, non-condensing |
| Physical Specifications | |
| Product Dimensions | HxWxD: 22.0 in x 20 in x 11.2 in (55.9 cm x 50.8 cm x 28.4 cm) |
| Packaging Dimensions | 26.4 in x 26.4 in x 15.9 in (67 cm x 67 cm x 40.3 cm) |
| Product Weight | 65 lb (29.5 kg) |
| Shipping Weight | 70 lb (31.8 kg) (monitor package only) |
| Enclosure Rating | NEMA 4X, IP66 |
| Input Power Requirements | |
| Voltage | 115 VAC or 230 VAC ±15% |
| Frequency | 50/60 Hz |
| Current | 6 A maximum @ 115 V; 3 A maximum @ 230 V |
| Radiated and Conducted Emissions | |
| Radiated Emissions | EN 61326-1: 2006 CISPR 11:2009 A1:2010 Class A |
| Conducted Emissions | EN 61326-1: 2006 CISPR 11:2009 A1:2010 Class A |
| Current Harmonics | EN 61000-3-2:2006 EN 61000-3-2:2006 A1:2009 Class A |
| Voltage Fluctuations | EN 61000-3-3:2008 EN 61000-3-3:2008 Class A |
| Radiated and Conducted Immunity | |
| ESD | EN 61326-1:2006 IEC61000-4-2:2009 |
| Radiated Immunity | EN 61326-1:2006 IEC61000-4-3:2006 A2:2010 |
| EFT | EN 61326-1:2006 IEC61000-4-4:2004 A1:2010 |
| Surge | EN 61326-1:2006 IEC61000-4-5:2006 |
| Conducted RF Immunity | EN 61326-1:2006 IEC61000-4-6:2009 |
| Magnetic Field Immunity | EN 61326-1:2006 IEC61000-4-8:2010 |
| Voltage Dips & Interrupts | EN 61326-1:2006 IEC61000-4-11:2004 |
| Safety | |
|
Specification |
IEC 61010-1, IEC 61010-2-81, UL 61010-1 (2nd Edition), CSA-C22.2 No. 61010-1-04 |
| DGA Method: Laboratory Grade Gas Chromatography |
|
| Hydrogen (H2) | Accuracy: ±5% or ±3 ppm Repeatability: <2% Range: 3-3,000 ppm |
| Oxygen (O2) | Accuracy: ±5% or +30/-0 ppm Repeatability: <1% Range: 30-25,000 ppm |
| Methane (CH4) | Accuracy: ±5% or ±5 ppm Repeatability: <1% Range: 5-7,000 ppm |
| Carbon Monoxide (CO2) | Accuracy: ±5% or ±5 ppm Repeatability: <2% Range: 5-10,000 ppm |
| Carbon Dioxide (CO2) | Accuracy: ±5% or ±5 ppm Repeatability: <1% Range: 5-30,000 ppm |
| Ethylene (C2H4) | Accuracy: ±5% or ±3 ppm Repeatability: <1% Range: 3-5,000 ppm |
| Ethane (C2H6) | Accuracy: ±5% or ±3 ppm Repeatability: <1% Range: 5-5,000 ppm |
| Acetylene (C2H2) | Accuracy: ±5% or ±1 ppm Repeatability: <2% Range: 1-3,000 ppm |
| Nitrogen (N2) | Accuracy: ±10% or ±5,000 ppm Repeatability: <20% Range: 5,000-100,000 ppm |
| Additional Monitoring Options | |
|
Moisture-in-Oil |
Accuracy: ±2% Range: 0-100% RS| |
|
Oil Temperature |
Accuracy: 0.1°C (typically) Range: -40°C to +180°C |
|
Total Dissolved Gases |
|
|
True Total Combustible Gas |
True Total Dissolved Combustible Gas (TDCG) output is available reporting 100% of detected level in PPM for H2, C2H2, C2H4, CO, CH4, C2H6 |
|
Total Hydrocarbons |
Total Hydrocarbons (THC) output is available reporting 100% of detected level in PPM for CH4, C2H2, C2H4, C2H6 |
| Gas Analysis Parameters | |
| Oil Sampling Rate | Oil sampling is continuous and gas analysis intervals are user-selectable from 2 hours to 12 hours (Default: 4 hours). Automatic schedule acceleration when rate of change alarm limit is exceeded (Default: 1 hr) |
| Data Management | All data is date and time stamped and up to two years of data is stored in memory |
| Automated Calibration Verification | System performs periodic automated calibration verification to National Institute of Standards and Technology (NIST) traceable gas standard |
| Alarms | |
| Two individually programmable relays | 50 VDC or 240 VAC @ 3 A max. (125 VDC @ 1 A max.); relay contacts operate as normally open or normally closed |
| Supported Alarms |
Gas Caution & Alarm for Level (ppm), Rate-of-Change (ppm/day), Power and/or Service Event |
| External Sensor Inputs | |
| Analog Inputs | Three (3) analog 4 to 20 mA inputs, ambient temperature sensor included. Optional sensors include transformer load guide and moisture-in-oil with temperature probe (uses 2 inputs) |
|
Communications |
|
| Standard Interfaces |
RS-232, RS-485, Ethernet Fiber (100Base-FX), V.92 Internal POTS modem |
| Optional Interfaces |
Cellular modem, Ethernet Copper (10/100Base‑TX), Wireless Radio |
| Supported Protocols |
TCP/IP, DNP3, Modbus RTU, ASCII, OPC and IEC 61850 |
| Environmental Specifications |
|
| Operating Temperature | -50°C to +55°C |
| Cold Start Temperature | -20°C |
| Operating Humidity | 5% to 95% RH, non-condensing |
| Oil Inlet Pressure | 0 to 45 psi (0 to 3 bar) |
| Storage Temperature | -40°C to +75°C |
| Storage Humidity | 5% to 95% RH, non-condensing |
| Physical Specifications | |
| Product Dimensions | HxWxD: 22.0 in x 20 in x 11.2 in (55.9 cm x 50.8 cm x 28.4 cm) |
| Packaging Dimensions | 26.4 in x 26.4 in x 15.9 in (67 cm x 67 cm x 40.3 cm) |
| Product Weight | 65 lb (29.5 kg) |
| Shipping Weight | 70 lb (31.8 kg) (monitor package only) |
| Enclosure Rating | NEMA 4X, IP66 |
| Input Power Requirements | |
| Voltage | 115 VAC or 230 VAC ±15% |
| Frequency | 50/60 Hz |
| Current | 6 A maximum @ 115 V; 3 A maximum @ 230 V |
| Radiated and Conducted Emissions | |
| Radiated Emissions | EN 61326-1: 2006 CISPR 11:2009 A1:2010 Class A |
| Conducted Emissions | EN 61326-1: 2006 CISPR 11:2009 A1:2010 Class A |
| Current Harmonics | EN 61000-3-2:2006 EN 61000-3-2:2006 A1:2009 Class A |
| Voltage Fluctuations | EN 61000-3-3:2008 EN 61000-3-3:2008 Class A |
| Radiated and Conducted Immunity | |
| ESD | EN 61326-1:2006 IEC61000-4-2:2009 |
| Radiated Immunity | EN 61326-1:2006 IEC61000-4-3:2006 A2:2010 |
| EFT | EN 61326-1:2006 IEC61000-4-4:2004 A1:2010 |
| Surge | EN 61326-1:2006 IEC61000-4-5:2006 |
| Conducted RF Immunity | EN 61326-1:2006 IEC61000-4-6:2009 |
| Magnetic Field Immunity | EN 61326-1:2006 IEC61000-4-8:2010 |
| Voltage Dips & Interrupts | EN 61326-1:2006 IEC61000-4-11:2004 |
| Safety | |
|
Specification |
IEC 61010-1, IEC 61010-2-81, UL 61010-1 (2nd Edition), CSA-C22.2 No. 61010-1-04 |
