OPT100 VAISALA | Alldatasheet

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OPT100 Optimus™ DGA Monitor For power transformers Advanced DGA monitoring

  • Maintenance ‑ free operation without consumables
  • Intuitive user experience
  • Smart analysis tools
  • Oil sampling with vacuum gas extraction
  • Long-term measurement stability through autocalibration and IR reference measurement
  • Total gas pressure detects air leaks without oxygen sensors
  • Robust mechanics
  • Easy installation
  • Manufactured in Vaisala's cleanroom Vaisala OPT100 Optimus™ DGA Monitor is the right solution for safe‑ guarding critical transformers in harsh environments. It delivers out-of-the-box performance, eliminates false alarms, and gives you the best long-term stable measurements for all fault gases. Prevent transformer failure There is nothing worse than an unplanned outage. Lost revenue, damage to your reputation and brand – all of it avoidable. Over 50 percent of serious power transformer faults can be detected and severe failures prevented ahead of time with the right online monitoring tools. Vaisala OPT100 Optimus™ DGA Monitor is robust and intuitive to use. With real- time, trouble-free fault gas monitoring – there are no false alarms, no maintenance and no consumables required. Optimus™ is the culmination of decades of experience, extensive research, and it builds on customer needs. Made with the ultimate safety and reliability in mind, ready for the most demanding operating environments. Intuitive and smart design The web-based user interface eliminates the need for additional software. Optimus™ can be connected to an existing control and monitoring system using digital communication and relays, or used as a standalone monitoring device. And in case of a disturbance such as a power outage, self-diagnostics enable automatic self-recovery. Optimus™ can be installed in less than 2 hours: connect oil, power, and data – and you're set. Reliable data – no false alarms Thanks to autocalibration and IR reference measurement, Optimus™ provides reliable gas trending data at all times. Vacuum gas extraction eliminates fluctuation caused by oil temperature or pressure, and the hermetically sealed and protected optics prevent sensor contamination. Moisture and hydrogen are measured directly in the oil with our capacitive thin-film polymer HUMICAPâ sensor and solid-state sensors. The IR sensor is based on Vaisala core measurement technology and components manufactured in our own cleanroom. The result is data you can rely on to make critical operational decisions.

The publicly available and commonly used dissolved gas analysis method for transformer fault diagnostics purposes, Duval Triangles (IEC 60599, Annex B), is available as an optional feature. The user interface displays the progression of data points from the past year overlaid on top of Duval Triangles. Air leak detection using total gas pressure Oxygen accelerates the aging of transformers, potentially cutting years from their operational life. With a groundbreaking method, Optimus™ DGA Monitor measures the total dissolved gas pressure of the sampled oil volume and detects any air leaks on sealed transformers without oxygen sensors. In case of an air leak into the transformer's tank, the majority of the dissolved gases are nitrogen and oxygen, and the proportion of fault gases in the pressure value is negligible. The pressure trend of the dissolved gasses gives a reliable indication of a leak, as nitrogen is the dominant component, and it is not formed or consumed in reactions inside the transformer. Robust construction Stainless steel pipes, IP66-rated and temperature-controlled housing, as well as a magnetic drive gear pump and valves bring superb performance and durability – from the arctic to the tropics. What’s more, there are no consumables to service or replace. Vaisala optical measurement module Vacuum gas extraction Vaisala industrial-grade computer Vaisala hydrogen and moisture measurement Maintenance-free magnetic gear pump IP66 housing, fully dust Isolated power supply and spray-proof

Parameter 1) Range Accuracy 2) 3) Repeatability 3) Methane (CH4) 0 … 10 000 ppmv ±4 ppm or ±5 % of reading 10 ppm or 5 % of reading Ethane (C2H6) 0 … 10 000 ppmv ±10 ppm or ±5 % of reading 10 ppm or 5 % of reading 4) Ethylene (C2H4) 0 … 10 000 ppmv ±4 ppm or ±5 % of reading 10 ppm or 5 % of reading Acetylene (C2H2) 0 … 5000 ppmv ±0.5 ppm or ±5 % of reading 1 ppm or 5 % of reading Carbon monoxide (CO) 0 … 10 000 ppmv ±4 ppm or ±5 % of reading 10 ppm or 5 % of reading Carbon dioxide (CO2) 0 … 10 000 ppmv ±4 ppm or ±5 % of reading 10 ppm or 5 % of reading Hydrogen (H2) 0 … 5000 ppmv ±15 ppm or ±10 % of reading 15 ppm or 10 % of reading Moisture 5) (H2O) 0 … 100 ppmw 6) ±2 ppm 7) or ±10 % of reading Included in accuracy Total gas pressure 0 … 2000 hPa ±10 hPa or ±2 % of reading 10 hPa or 5 % of reading 1) ppm values are defined as μl/l according to IEC 60567 standard conditions 2) Accuracy specified is the accuracy of the sensors during calibration gas measurements. 3) Whichever is greater. 4) Repeatability of ethane measurement is specified with averaging of five measurements. 5) Measured as relative saturation (%RS). 6) Upper range limited to saturation. 7) Calculated ppm value is based on average solubility of mineral oils. Measurement operation Measurement cycle duration 1 … 1.5 h (typical) Response time (T63) One measurement cycle 1) Warm-up time until first measurement data available Two measurement cycles Initialization time to full accuracy Two days Data storage At least 10 years Expected operating life > 15 years 1) Three cycles for ethane and hydrogen. Field performance Parameter Typical variance to laboratory DGA1) 2) Acetylene (C2H2) ±1 ppm or ±10 % of reading Hydrogen (H2) ±15 ppm or ±15 % of reading Other measured gases ±10 ppm or ±10 % of reading Moisture (H2O) ±2 ppm or ±10 % of reading 1) Compared with gas chromatography result from an oil sample considering also laboratory uncertainty. Performance of the gas-in-oil measurement may also be affected by oil properties and other chemical compounds dissolved in oil. 2) ppm values are defined as μl/l according to IEC 60567 standard conditions Calculated parameters Total dissolved combustible gases (TDCG) Combined total of H2, CO, CH4, C2H6, C2H4, and C2H2 24 h average Available for single gases, moisture, TDCG, and total gas pressure Rate of change (ROC) Available for single gases and TDCG for 24 h, 7 d, and 30 d periods Gas ratios 1) Available ratios:

  • CH 4/H2
  • C 2H2/C2H4
  • C 2H2/CH4
  • C 2H6/C2H2
  • C 2H4/C2H6
  • CO 2/CO 1) Calculated from 24 h average values. See standard IEC 60599. Power supply Operating voltage OPTPSU1: 100 … 240 V AC, 50 … 60 Hz, ±10 % OPTPSU2: 110 … 220 V DC, ±10 % Overvoltage category III Maximum power consumption 500 W Typical power consumption at +25 °C (+77 °F) 100 W Outputs RS-485 interface Supported protocols Modbus RTU, DNP3 (optional feature) Galvanic isolation 2 kV RMS, 1 min Ethernet interface Supported protocols Modbus TCP, HTTP, HTTPS, DNP3 (optional feature), IEC 61850 (optional feature) Galvanic isolation 4 kV AC (50 Hz, 1 min) Relay outputs Number of relays 3 pcs, normally open (NO) or normally closed (NC), user selectable Trigger type Gas alert with user selectable limits Max. switching current 6 A (at 250 V AC)

2 A (at 24 V DC)

0.2 A (at 250 V DC)

Auxiliary device interface Maximum power 48 W Voltage output 24 V DC User interface Interface type Web based user interface, can be operated with standard web browsers Mechanical specifications Oil fitting Stainless steel Swagelokâ fitting for 10 mm (0.39 in) outer diameter tubing. See list of available accessories for adapters. Max. length of oil pipe to transformer for mineral oil Max. 10 m (33 ft) with 7 mm (0.28 in) inner diameter tubing 1) Max. 5 m (16 ft) with 4 mm (0.15 in) inner diameter tubing Max. length of pipe to transformer for synthetic ester liquid Max. 10 m (33 ft) with 8 mm (0.31 in) inner diameter tubing Housing material Marine aluminum (EN AW-5754) (DGA Monitor), stainless steel AISI 316 (OPTPSU) 1) Bigger pipe volume will increase response time

Transformer liquid type 1) Mineral oil or synthetic ester liquid Required minimum fire point 2) of insulation liquid +125 °C (+257 °F) Transformer oil pressure at oil inlet Max. 2 barabs continuous Burst pressure 20 barabs Transformer insulation liquid temperature at oil inlet Min. +0 °C (+32 °F) (synthetic ester liquids) 3) Ambient humidity range 0 … 100 %RH, condensing Ambient temperature range in operation Storage temperature range −40 … +60 °C (−40 … +140 °F) IP rating IP66 1) Selected when ordering the device 2) The fire point [of transformer oil] is normally approximately 10 °C (18 °F) higher than the closed flash 3) Mineral oil minimum temperature depends on the pour point of the mineral oil. Compliance EU directives and regulations EMC Directive (2014/30/EU) L ow Voltage Directive (2014/35/EU) OPT100 is specifically designed t o be installed as part of another type of equipment that is excluded from the RoHS directive (2011/65/EU) scope. EMC immunity EN 61326‑ 1, indus trial environment IEC 61000-6-5, class 4 EMC emissions FCC 47 CFR 15, section 15.107, class A ISED ICES-00 3, section 5(a)(i), class A Safety IEC/EN/UL/CSA 61010‑ 1 Environmental IEC 60068‑ 2‑ 1 IE C 60068‑ 2‑ 2 ISO 6270-1:2017, constant humidity condensation atmosphere, C5 ISO 9227:2017, salt fog, C5 IEC 61010-1:2010/AMD1:2016, pollution degree 4 (outdoor), 3 (industrial area), 2 (device internal) Compliance marks CE, China RoHS, EAC, RCM mm [in] 1552 [61.10] 1630 [64.17] 675 [26.57] 550 [21.65] 700 [27.56] 280 [11.02] 580 [22.83] 453 [17.83] 35 [1.38] 140 [5.51] [0.79] 510 [20.08] 140 [5.51] Dimensions with Ground Mounting Set You can count on Vaisala Vaisala has created measurement devices for 80/uni00A0years. Our instruments and systems are used in over 150 countries in industries where failure is not an option, including airports, pharmaceuticals, and power generation. Over 10,000 companies in safety and quality-critical sectors rely on Vaisala. Vaisala sensors are used in the harshest places on Earth – Arctic, maritime, and tropical environments – and even on Mars. Power transformer monitoring that works V aisala Optimus™ DGA Monitor delivers out-of-the-box performance, eliminates false alarms, and gives you the best long-term stable measurements for the key fault gases used in transformer diagnostics. Published by Vaisala | B211583EN-M © Vaisala 2023 All rights r eserved. Any logos and/or product names are trademarks of Vaisala or its individual partners. Any reproduction, transfer, distribution or storage of information contained in this document is strictly prohibited. All specifications — technical included — are subject to change without notice. www.vaisala.com