INSULOGIX® BRAND OF TRANSFORMER MONITORING PRODUCTS OPTIMIZED SOLUTIONS FOR DISTRIBUTION AND POWER TRANSFORMERS

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WEIDMANN INSULOGIX® TRANSFORMER MONITORING PRODUCTSUNDERSTANDING YOUR TRANSFORMER INSIDE OUT

INSULOGIX® SOLUTIONS FOR DISTRIBUTION & POWER TRANSFORMERS

The Weidmann InsuLogix® brand of transformer monitoring products consists of unique embedded sensors and monitors that provide cost-effective integrated solutions for delivering actionable information to the owner/operator of large power, transmission and distribution transformers.

As the world leader in design and manufacturing of transformer insulation and with over 140 years of history, Weidmann has gathered significant field expertise that translates into high quality products and monitoring solutions. Weidmann transformer oil testing laboratories, condition assessment engineering, and training programs complete our portfolio.

The value of Weidmann optimized monitoring solutions:

• Low ownership cost• Reduced unplanned downtime• Lower maintenance and operating costs• Higher efficiency of maintenance processes• Increased safety for personnel

H & HMA

DGA Monitoring

GIC

Geo-Magnetic Induced

Current Sensor

RFM

Fault Detection

SGS

Temperature,Hot Spot & Loss of Life

SGS

Temperature,Hot Spot & Loss of Life

SSK

Safe Oil Sampling

B

Bushing

Condition

T

Hot Spot Via Fiber Optic

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InsuLogix® H | Hydrogen Monitor

The InsuLogix® H Hydrogen monitor represents a cost effective solution for incipient fault detection and monitoring in oil filled transformers, providing the user with opportunity to prevent equipment and financial losses.

BENEFITS• An optional moisture-in-oil sensor can be added when monitoring moisture is necessary• Detects and alerts on hydrogen presence in oil and on rising hydrogen levels• Simple set up and operation • Robust and field proven technology • Resistant to vacuum • Promotes Condition Based Maintenance • Reduces risk of catastrophic failure • Responds to utilities’ demand for an economically priced H2 monitor • Low ownership cost

FEATURES• Micro-chip technology using palladium-nickel alloy • Modbus, DNP3, Analog Outputs, Relays, Data Storage • Color-changing LED on front panel for visual indication of alarms status • System watchdog function

InsuLogix® HMA | Hydrogen, Moisture, and Acetylene Monitor

The InsuLogix® HMA is a state-of-the-art, high-performance online monitor for incipient fault detection and monitoring in power transformers via measuring the levels and the rising of Hydrogen (H2) and Acetylene (C2H2).

BENEFITS

• Detects and alerts on hydrogen and acetylene presence in oil, as well as on rising levels of the two gasses • Hydrogen and acetylene monitoring represent the best cost/benefits ratio in transformer monitoring strategies • Promotes for Condition Based Maintenance • Reduces risk of catastrophic failure • Simple set up and operation • Moisture in oil measurement available in standard configuration • Resistant to vacuum • Low ownership cost FEATURES • Laser and thermal conductivity sensing technologies • Modbus, DNP3, IEC 61850, Analog Outputs, Relays, Data Storage • Color-changing LED on front panel for visual indication of alarms status • LCD screen on front panel for indication of the gasses and moisture concentrations, monitor status and alarms • System watchdog function

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TECHNOLOGY SOLUTIONS TO BETTER MANAGE YOUR TRANSFORMERIMPROVE EFFICIENCY, EXTEND LIFE AND INCREASE PERFORMANCE

InsuLogix® B | Bushing Monitor

The InsuLogix® B is a cost-effective, continuous on-line monitoring system for detection of faults in oil filled bushings and current transformers.

BENEFITS• Detects internal insulation failures or external issues such as surface contamination due to pollution • Online tests and relative power factor measurements are performed at rated voltage, under load, and in all weather conditions • Promotes Condition Based Maintenance • Reduces risk of catastrophic failure • Tool for improving the safety of personnel and assets

FEATURES• Up to 30 bushings and/or current transformers can be measured with one InsuLogix® B monitor • Outputs include: DNP3, IEC 61850, Relay Contacts • Optional eight channel data acquisition board for storage and transmission of data acquired from other sensors (hydrogen, moisture, temperature…) • Color-changing LED on front panel for visual indication on alarms status • System watchdog function

InsuLogix® T | Hot Spot Temperature Monitor

The InsuLogix® T offers reliable hot spot winding temperature monitoring using fiber optic technology, uniquely available with optional Weidmann Certified Smart Spacer®.

BENEFITS• The Smart Spacer® is certified as an individual component that is integral to the liquid-immersed EHV and UHV insulation systems • Weidmann’s expertise in the fiber optic temperature probe embedding process in various transformer insulation components • Weidmann’s expertise in both insulation systems and fiber optic monitoring systems design and manufacturing

FEATURES• Gallium-Arsenide sensors with rugged 200 µm Fiber with Teflon shield • Choice of 2 to 16 measurement channels • Large 7“ TFT display • Data recording in internal memory • Software function allowing logic definition for channel to relay allocation • Configurable with one alarm relay per channel • Configurable with one analog output per channel • Modbus, DNP3, IEC 61850, IEC 60870-104, and IEC 60870-101 communication protocols • System watchdog function

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InsuLogix® SGS | Smart Gauge System

The InsuLogix® SGS consists of a typical temperature gauge combined with electronics to allow operation as a data concentrator for various sensors installed on transformer. The system allows for low cost monitoring of key operation and health indicators and their data transmission to SCADA.

BENEFITS• Very cost effective monitoring system • Easy to deploy and set up • Can be used to replace older analog temperature gauges while adding intelligent functions and data transmission to SCADA • Can integrate InsuLogix® H Hydrogen sensor and a moisture sensor (or a pressure sensor)

FEATURES• Allows for monitoring transformer top oil temperature and load • Calculates Loss of Life and Hot Spot Temperature per IEEE formulas • Five relays usable for cooling system control or alarming functions • Modbus and DNP3 communication protocols • Two optional additional analog inputs • Records maximum temperatures in non-volatile memory • Direct analog gauge replacement

InsuLogix® GIC | Geo-Magnetic Induced Current Sensor

InsuLogix® GIC measures the value of direct current (quasi DC) in transformer windings created by geomagnetic disturbances.

BENEFITS• InsuLogix® GIC direct current sensor measures DC current indicating a geomagnetic induced current event is occurring due to a solar flare or geomagnetic disturbance • InsuLogix® GIC does not require calibration or configuration and is a maintenance-free product• Easily deployment and setup• Clamp on CT can be installed without an outage

FEATURES• InsuLogix® GIC consists of a clamp-on current sensor and interface box • The sensor provides a 4-20 mA output, proportional to the measured value of current • Optional power quality and temperature monitoring is available to create a continuous monitoring solution

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MITIGATE RISKSAFEGUARD ASSETS, PROPERTY, LINE CREW, AND THE PUBLIC

InsuLogix® RFM | Pole Top and Distribution Transformers Overpressure Indicator

The InsuLogix® RFM is a retrofittable fault detector for pole top transformers, distribution transformers and voltage regulators. The device detects overpressure building up inside the transformer. If the threshold has been exceeded the RFM triggers a visual indicator as well as activates a micro-switch.

BENEFITS• Easier troubleshooting of electrical energy distribution lines• Faster reenergizing operations• Improved reliability indices• Reduced operational and labor costs • Tool for mitigating risks related to personnel safety • Quick and easy installation • Non-intrusive to the internal operation of the transformer and requires no perforation or modification of the transformer tank• Remote monitoring options available

FEATURES• A clear, visible external indication of when arcing occurs inside the transformer• Quick and easy installation – installs the same as a pressure relief device, using the same portal• Retrofittable – no redesign or opening of tank• Installs outside the transformer tank – requires no perforation or modification of the transformer tank• No need for a locking mechanism to keep the flag from triggering during transport• Can be calibrated to detect gradual pressure increase within the transformer tank • Available in version with micro-switch for status transmission to remote devices

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GSU/SubstationTransformerControls Protection

InsuLogix® HMADGA Monitor

InsuLogix® HMA

InsuLogix® HMA

DistributionTransformer

InsuLogix® RFM Overpressure Alarm

Oil Safe Sampling Kit

InsuLogix® SSK | Safe Sample Kit

The InsuLogix® SSK provides customers with a safe and efficient way to collect oil samples from distribution transformers. The kit can be installed on existent transformers, allowing for safe, fast and efficient sampling of oil. The energy output will then be maximized given that de-energization is no longer needed.

BENEFITS• Safe and efficient access to oil samples and nitrogen service lines• No need to de-energize to pull an oil sample• Easy accessibility to add nitrogen and pull oil samples• Installs in less than one hour (Factory/Field Installation)• Eliminates need to outfit technicians with additional personal protective equipment

FEATURES• Constructed of corrosion resistant material• Clean surface mounted housing which eliminates bulky external boxes• Includes Nitrogen Fill/Purge Valve• Pad lockable for safety• Patented and proven• Made in USA

DID YOU KNOW: Many of Weidmann’s monitoring devices are designed to be compatible with renewable transformer applications: InsuLogix® RFM Overpressure Indicator mounted on distribution (also called GSU) transformer, along with Safe Sample Kit. The InsuLogix® HMA (H2, C2H2, H2O) is an excellent candidate for Main Unit transformers in renewablee energy applications.

Weidmann Electrical Technology AGRapperswil, SwitzerlandT +41 55 221 41 11

Weidmann Electrical Technology Inc.St. Johnsbury VT, USAT +1 802 748 8106

Weidmann Electrical Insulating Systems Co. Ltd. Shanghai, China T +86 21 3463 7680

www.weidmann-electrical.com

Rev. 3.21