GE Kelman TRANSFIX 1.6 Installation Manual
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GE Kelman TRANSFIX 1.6 Installation Manual

Transformer oil dissolved gas and moisture monitor
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GE
Grid Solutions
Kelman TRANSFIX
Installation Manual
Transformer Oil
Dissolved Gas and Moisture Monitor
GEDE-GA_M-DLIS-TE.MA-001
-family
™
Rev 3.0
18-Jan-16

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Summary of Contents for GE Kelman TRANSFIX 1.6

  • Page 1 Grid Solutions Kelman TRANSFIX -family ™ Installation Manual Transformer Oil Dissolved Gas and Moisture Monitor GEDE-GA_M-DLIS-TE.MA-001 Rev 3.0 18-Jan-16...

  • Page 2: Table Of Contents

    Contents Introduction ............................ 5 Product Overview ........................5 Manual Scope ......................... 6 Safety .............................. 7 Symbols ..........................7 Warnings ..........................7 Requirements ..........................9 Pre-installation ........................9 Handling & Storage ........................ 9 Technical Specification ........................ 10 Compliance ........................... 11 Transformer Criteria ........................12 Mounting............................
  • Page 3 10.2 Alarm Connections ....................... 30 10.3 Accessory Power ........................31 10.4 External Sensors ........................31 Communications ........................32 11.1 Electromagnetic Compatibility (EMC) requirements ............33 Appendix A Installation Tools and Supplies ..................34 Appendix B Customer Checklist ...................... 35 Appendix C Installation Record .......................
  • Page 4 Figure F—1: TRANSFIX 1.6 dimensions ....................45 Figure F—2: TAPTRANS dimensions ..................... 46 Figure F—3: MULTITRANS dimensions ....................47 Figure G—1: TRANSFIX 1.6 & MULTITRANS mounting stand dimensions – top, front & side .... 48 Figure G—2: TAPTRANS mounting stand dimensions – top, front & side .......... 49 Figure H—1: TRANSFIX 1.6 &...

  • Page 5: Introduction

    1 INTRODUCTION 1.1 Product Overview The TRANSFIX™ family of products (herein referred to as the product, meaning the TRANSFIX 1.6, MULTITRANS and TAPTRANS) are on-line DGA (Dissolved Gas Analysis) systems for transformer diagnostics. The products measure the following key fault gases in the transformer oil: hydrogen, methane, ethane, ethylene, carbon monoxide, carbon dioxide and acetylene.

  • Page 6: Manual Scope

    1.2 Manual Scope This manual details the installation requirements and procedure, including important pre- installation tasks to be considered when planning and preparing for the installation. It examines mounting, plumbing, power, electronics and communications — including tools, supplies and items to purchase. Differences between the products are always qualified by the use of the respective product name and operational details can be found in the respective product user guides.

  • Page 7: Safety

    The installer shall also ensure that any third-party equipment, such as an approved platform, scaffold or lift is suitable and safe before commencing work. Ladders or improvised platforms do not meet GE service engineer requirements. Once installed, the product may have more than one source of supply.
  • Page 8 Only GE-trained and certified personnel may commission GE products. Commissioning tasks include making any connections and/or performing any work within the enclosure, or performing tasks such as purging the oil circuit between the transformer and the product, and/or all first start-up procedures relating to equipment or firmware/software.

  • Page 9: Requirements

    In addition, the GE Customer Service Centre representative will need specific information in order to provide recommendations for a trouble-free installation. If GE is to perform the installation, the installation will not be scheduled until all pre-installation tasks outlined in this manual are complete (as performed by the customer and GE).

  • Page 10: Technical Specification

    200ml or less. For oil temperatures colder than -20 ºC, GE recommends the use of heat trace cabling on piping.

  • Page 11: Compliance

    5 COMPLIANCE The product meets the following type tests as listed in Table 5—1: Table 5—1: Type tests Category Standard Class/Level Test EMC Emissions – CISPR 11 Radiated & Conducted Emissions EN 61326-1:2006 FCC Part 15 Radiated & Conducted Emissions EN 61000-3-2 Harmonic Current Emissions Limits...

  • Page 12: Transformer Criteria

    6 TRANSFORMER CRITERIA The transformer shall meet the following criteria:  The transformer contains mineral type oils (paraffinic or naphthenic) that meet the requirements of IEC 60296, BS EN 60296, VDE 0370 or ASTM D 3487.  The transformer oil must be certified PCB free. ...

  • Page 13: Mounting

    (See Appendix G and Appendix H.) If a new concrete pad is required, GE recommends that it be at least 61 cm (24 in.) wide by 122 cm (48 in.) long and 9 cm (3 ½ in.) thick with a #3 (10 mm) steel reinforcing bar around the perimeter.
  • Page 14 If mounting to the body of a transformer, GE’s recommendation is to do so with the top half of the GE-supplied mounting stand. If there is concern about extreme vibration on a transformer, GE strongly advises against mounting the product to the body of a transformer.

  • Page 15: Plumbing

    8 PLUMBING The product removes oil from the transformer, extracts the gases, analyses the gases and then returns the oil to the transformer. The locations from which the oil is removed and to which it is returned are important for the accurate analysis of the gases (see Figure 8—1 and Figure 8—2).

  • Page 16: Transformer Valves

    8.1 Transformer Valves The possible valve locations of a transformer are shown in Figure 8—3. Figure 8—3: Transformer Valve locations 8.1.1 Fill Valve If the transformer is nitrogen blanketed, the fill valve or any other valve at the top of the transformer should not be used as an oil supply valve because there is no guarantee that there will always be oil at this position.

  • Page 17: Cooling Loop Valves

    Ensure that the valve chosen to return oil is not internally piped to another location within the transformer, such as the headspace or the internal windings. 8.1.4 Cooling Loop Valves The product should only be supplied with oil from a cooling loop valve if there are no other valves available.

  • Page 18: Oil Return

    (see Figure 8—11). Note: An optional manual oil sampling arrangement can be fitted to the oil inlet on the base of the product. For more information, contact the GE Customer Service Centre. 8.3 Tubing Stainless steel tubing is used to connect the product to the transformer.
  • Page 19 Note: Products, such as MULTITRANS, that are connected to more than one transformer must have suitable dielectric fittings placed in-line with the tubing and installed close to the product (see Appendix E for more details). Consider these points when choosing where to route the tubing and estimating how much tubing is required: ...

  • Page 20: Fitting Requirements

    8.3.1 Fitting Requirements Figure 8—4 to Figure 8—6 shows the bottom plate connection points for each product. The stainless steel tubing should be fitted between the transformer and the product as follows, ensuring that:  The supply line is connected to the OIL IN port (this is the bulkhead fitting at the bottom of the product that is located closest to the right-hand-side when viewed from the front).

  • Page 21: Figure 8-5: Multitrans Connections - Bottom View

    Manual sampling port Ambient temperature sensor Oil-out ports (circuits 1, 2, 3) Communications cables gland Oil-in ports (circuits 1, 2, 3) with filters M8 earth connection point Power cable gland Figure 8—5: MULTITRANS connections - bottom view Out “C” selector In “A”...

  • Page 22: Fitting Instructions

    Do not open the valves on the transformer or the stainless steel tubing. This is performed by GE-trained and certified personnel during the commissioning phase to prevent air bubbles from entering the transformer. Connection to Oil Supply Valve 8.3.3...

  • Page 23: Connection To Oil Return Valve

    Both of these items are included in the product installation kit. Note: GE recommends two wraps of PTFE tape or three wraps for large pipe fittings. Connection to Oil Return Valve 8.3.4...

  • Page 24: Figure 8-11: Flange Example

    Both of these items are included in the product installation kit. Note: GE recommends two wraps of PTFE tape or three wraps for large pipe fittings. MA-001 – TRANSFIX-family Installation Manual – Rev 3.0...

  • Page 25: Figure 8-13: Bleed Assembly On Threaded-Type Oil Return Valve

    Figure 8—13 depicts the proper arrangement of the Return Assembly. Figure 8—13: Bleed assembly on threaded-type oil return valve MA-001 – TRANSFIX-family Installation Manual – Rev 3.0 18-Jan-16 Page 25 of 55...

  • Page 26: Power

    9 POWER This section outlines the power requirements, electrical connections and related aspects that must be observed. The product contains a power supply that can accommodate 110 V AC (100- 121 V AC) or 230 V AC (207-253 V AC), 50/60 Hz single phase factory set and draws 8 amps maximum.

  • Page 27: Figure 9-1: Location Of Mains Supply

    The power supply terminals for the mains supply and the modular fuse holder are shown in Figure 9—1. The protective cover for the AC connection block is shown in Figure 9—2. The protective cover is a safety feature designed to protect the connection block from a buildup of dust.

  • Page 28: Cold Start

    Two cable glands Product casing (one in front and one behind) Figure 9—3: Earth terminal on bottom of enclosure Ensure that the selector switch for the heater supply voltage is set to the correct supply voltage, either 110 V or 230 V as shown in Figure 9—4). The switch is situated on the circuit board on the back wall of the enclosure.

  • Page 29: Figure 9-5: Coin Cell Battery

    Figure 9—5: Coin cell battery The following steps describe how to change the battery: 1. Back up the product data – contact your GE representative. 2. Open the inner door to locate the battery on the System board (see Figure 9—5).

  • Page 30: Electronics

    10 ELECTRONICS 10.1 System Board The product provides connections for the alarms, PSTN, serial communications and transformer load sensor. These screw terminal connections are located on the System board at the back of the front panel (see Appendix I). Communications modules and optional analogue inputs are also located here.

  • Page 31: Accessory Power

    10.3 Accessory Power There are additional power points to connect +12 V DC or +24 V DC at 0.7 A accessories, such as wireless modems or protocol converters. These are available on the AC board on the back wall of the enclosure as shown in Figure 10—1. 12 V DC 24 V DC Figure 10—1: Accessory power points for 12 V and 24 V...

  • Page 32: Communications

    *Note: Channel A is disabled when DNP3 over Ethernet is selected. The options listed above are available at the time of printing – other options may become available. (Contact the GE Customer Service Centre for further information.) MA-001 – TRANSFIX-family Installation Manual – Rev 3.0...

  • Page 33: Electromagnetic Compatibility (Emc) Requirements

    11.1 Electromagnetic Compatibility (EMC) requirements To ensure continued EMC compliance, a Wurth 74271221S ferrite as shown in Figure 11—1 (supplied as part of the COMMS kit) must be fitted to make connection with an RS-232 and/or RS-485 module using connector P1. The communications cable must be looped twice through the ferrite as shown in Figure 11—1.

  • Page 34: Appendix A Installation Tools And Supplies

    The following tools and supplies are needed on site to secure the mounting stand (if used), tighten the 2 in. pipe fittings (if used) and complete the installation. GE is unable to bring the following items due to size and weight restrictions, so the customer should provide them.

  • Page 35: Appendix B Customer Checklist

    Appendix B Customer Checklist The following checklist details items that the customer must acquire prior to the installation:  Prepared, flat mounting surface  Parts to fabricate a mounting stand (if the product mounting stand has not been purchased)—see Section 7. ...

  • Page 36: Appendix C Installation Record

    Appendix C Installation Record Customer Contact and Site Details Company: Address: City, State and Postcode (Zip): Country: Phone: Installation Site Name: Site Address: City, State: Postcode (Zip): Country: Primary Corporate Contact: Name: Title: Address: City, State and Postcode (Zip): Country: Phone: Mobile: Email address:...
  • Page 37 Transformer Details Make: Year: Years in Service: Type: Conservator  Nitrogen Blanketed  Other: MVA Rating: CT ratio: Condition of Desiccant: Attach several photos showing the transformer and surrounding area  Attach all available DGA data  Total Dissolved Gas: ___________ ppm (sum of all measured gases) Please describe (or attach separately) details of any major maintenance actions, such as a rebuild, vacuum degassing or filtering etc.
  • Page 38 Pre-Installation Photographs It is recommended that photographs of the installation site be taken in advance of the installation in order to properly assess the site, aid in planning the installation and contribute to the Short Duration Safety Plan. The following areas should be photographed: C.3.1 Valves / Plumbing: ...
  • Page 39 C.3.5 Additional Photographs:  Any additional devices used in conjunction with the installation, such as junction boxes, telephone line sharing devices, alternative communication devices etc.  Overall site photos  Any other useful photos MA-001 – TRANSFIX-family Installation Manual – Rev 3.0 18-Jan-16 Page 39 of 55...

  • Page 40: Appendix D Tubing Specification And Ordering Details

    (See Section D.6). Tubing Unions Tubing Unions connect two pieces of the above ¼ in. tubing together. GE recommend:  Swagelok: SS-400-6 Stainless Union, ¼ in. OD  Ham-Let: 762L SS 1/4 Stainless Union, ¼ in. OD Shut-Off Valve If the oil supply or return valve is located more than 6 ft (1.82 m) above the base of the...
  • Page 41 D.6.1 Flow Rate The solid seamless stainless steel tubing that GE specifies is 316 Stainless Steel, 1/4 in. OD with a 0.035 in. thick wall. Most 1/4 in. copper tubing has a greater wall thickness which reduces the flow rate rendering it too fragile to place in the field. Bends in standard soft copper tubing crush and deform more easily, which can reduce the flow rate than would otherwise be the case with properly bent stainless steel tubing.
  • Page 42 GE will not guarantee or perform warranty work on a product that has been installed using copper tubing or any other tubing, other than stainless steel, as specified above.

  • Page 43: Appendix E Dielectric Fittings

    Appendix E Dielectric fittings TRANSFIX-family products that are to be connected to more than one transformer, such as the MULTITRANS, must have suitable dielectric fittings placed in-line with the tubing and installed close to the product. Dielectric fittings provide electrical isolation and prevent circulating currents from flowing in the tubing circuits.
  • Page 44 Details of the Ham-Let dielectric fittings: MA-001 – TRANSFIX-family Installation Manual – Rev 3.0 18-Jan-16 Page 44 of 55...

  • Page 45: Appendix F Product Dimensions

    Appendix F Product Dimensions Figure F—1 shows the TRANSFIX 1.6 dimensions. The TRANSFIX 1.6 weighs 72 kg (159 lb). All dimensions are in millimetres (mm). Tolerance is ±5 mm. 1 metre clearance Figure F—1: TRANSFIX 1.6 dimensions MA-001 – TRANSFIX-family Installation Manual – Rev 3.0 18-Jan-16 Page 45 of 55...

  • Page 46: Figure F-2: Taptrans Dimensions

    Figure F—2 shows the TAPTRANS dimensions. The TAPTRANS weighs 88 kg (194 lb). All dimensions are in millimetres (mm). Tolerance is ± 5 mm. 1 metre clearance Figure F—2: TAPTRANS dimensions MA-001 – TRANSFIX-family Installation Manual – Rev 3.0 18-Jan-16 Page 46 of 55...

  • Page 47: Figure F-3: Multitrans Dimensions

    Figure F—3 shows the MULTITRANS dimensions. The MULTITRANS weighs 76.5 kg (169 lb). All dimensions are in millimetres (mm). Tolerance is ± 5 mm. 1 metre clearance Figure F—3: MULTITRANS dimensions MA-001 – TRANSFIX-family Installation Manual – Rev 3.0 18-Jan-16 Page 47 of 55...

  • Page 48: Appendix G Mounting Stand Dimensions

    Appendix G Mounting Stand Dimensions Figure G—1 shows the TRANSFIX 1.6 and MULTITRANS mounting stand dimensions with the product mounted. The mounting stand weighs 20 kg (45 lb). All dimensions are in millimetres (mm). Tolerance is ±5 mm. Figure G—1: TRANSFIX 1.6 & MULTITRANS mounting stand dimensions – top, front & side MA-001 –...

  • Page 49: Figure G-2: Taptrans Mounting Stand Dimensions - Top, Front & Side

    Figure G—2 shows the TAPTRANS mounting stand dimensions with the product mounted. The mounting stand weighs 16 kg (36 lb). All dimensions are in millimetres (mm). Tolerance is ±5 mm. Figure G—2: TAPTRANS mounting stand dimensions – top, front & side MA-001 –...

  • Page 50: Appendix H Footprint Dimensions

    Appendix H Footprint Dimensions Figure H—1 shows the TRANSFIX 1.6 and MULTITRANS footprint dimensions. All dimensions are in millimetres (mm). Tolerance is ± 5 mm. Figure H—1: TRANSFIX 1.6 & MULTITRANS footprint dimensions Figure H—2 shows the TAPTRANS footprint dimensions. All dimensions are in millimetres (mm).

  • Page 51: Appendix I System Board

    Appendix I System Board Figure I—1 shows the product System board. A description of each terminal is provided in Table I—1. Terminal 1 Optional Optional Module 1 Module 2 Terminal 3 Terminal 9 Ethernet Terminal 15 - MODBUS TCP/IP Ethernet - DNP3 Hinged side Terminal 27...

  • Page 52: Table I-1: List Of Terminals

    Table I—1: List of terminals Terminal Signal Description PSTN Interface PSTN interface RING Digital outputs Note: Alarm Relay Max Ratings: 3 A at 250 V AC, 200 mA at 125 V DC or 3 A at 30 V DC. Service Alarm Spacer Watchdog Alarm Note: The default condition is NO when the product is powered on.

  • Page 53: Figure I-2: Rs-232 & Rs-485 Connections

    Optional communications modules Figure I—2 illustrates the connections for the RS-232 and RS-485 connections, including DNP3. Figure I—2: RS-232 & RS-485 connections MA-001 – TRANSFIX-family Installation Manual – Rev 3.0 18-Jan-16 Page 53 of 55...

  • Page 54: Appendix J Heat Trace Cable

    −20 °C. The customer is responsible for supplying the heat trace cable, which must be installed by a qualified electrician. GE Service Personnel are available to advise the customer and work with the company’s electrician to install the heat trace cable.

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