Treetech GMP Manuale utente

GMP

Gas and Moisture Sensor

 
[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00] 
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Contents
1Foreword....................................................................................................................6 
1 Legal information................................................................................................................................... 6 
1.1 Disclaimer .......................................................................................................................................... 6 
2 Presentation........................................................................................................................................... 6 
3 Typographical conventions .................................................................................................................... 6 
4 General and safety information............................................................................................................. 7 
4.1 Safety symbols................................................................................................................................... 7 
4.2 General symbols ................................................................................................................................7 
4.3 Minimum profile recommended for GMP operator and maintainer................................................8 
4.4 Environmental and voltage conditions required to installation and operation of the GMP............. 8 
4.5 Test and installation instructions.......................................................................................................9 
4.6 Cleaning and decontamination instructions....................................................................................10 
4.7 Inspection and maintenance instructions .......................................................................................10 
5 Technical support................................................................................................................................. 11 
6 Warranty terms and conditions........................................................................................................... 12 
2Introduction .............................................................................................................13 
1 Characteristics and functions............................................................................................................... 14 
2 Basic functioning philosophy ............................................................................................................... 15 
2.1 Periodic analysis of dissolved gases.................................................................................................15 
2.2 Continuous monitoring of dissolved gases in oil .............................................................................16 
2.3 Methodology for online monitoring of dissolved gases on oil ........................................................ 16 
2.3.1 Measurement of the hydrogen concentration........................................................................................16 
2.3.2 Representativeness on the measurement ..............................................................................................17 
3Project and installation.............................................................................................18 
1 System topology .................................................................................................................................. 18 
2 Mechanical installation ........................................................................................................................ 19 
2.1 Mechanical installation procedure..................................................................................................20 
3 Electric installation...............................................................................................................................23 
3.1 Input and output terminals ............................................................................................................. 25 
4Operation.................................................................................................................28 
1 Readout and display LEDs.................................................................................................................... 28 
2 Key functions........................................................................................................................................29 
3 Alarm LEDs ...........................................................................................................................................29 
4 Auxiliary indications............................................................................................................................. 29 
5 Self-diagnostics .................................................................................................................................... 30 
5Parameterization......................................................................................................32 
1 Access to parameterization menus...................................................................................................... 32 
2 Structure of parameterization menus .................................................................................................33 
3 CLCK menu ...........................................................................................................................................35 
4 CONF menu.......................................................................................................................................... 36 
5 OIL menu..............................................................................................................................................38 
6 Menu H2 .............................................................................................................................................. 40 
7 ALARM menu ....................................................................................................................................... 41 
8 ADVC menu.......................................................................................................................................... 44 
8.1 CONF submenu................................................................................................................................ 44 
8.2 LOG submenu ..................................................................................................................................44 
8.3 RLAY submenu.................................................................................................................................45 
8.3.1 RL1 to RL4 submenus ..............................................................................................................................45 
8.3.1.1 RDET –Detailed relays........................................................................................................................46 

 
[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00] 
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5.8.3.2 RLYT submenu.........................................................................................................................................48 
5.8.4 ANOU submenu ............................................................................................................................... 48 
5.8.4.1 ANOT submenu .......................................................................................................................................49 
6Problems resolution .................................................................................................50 
6.1 Self-diagnosis ....................................................................................................................................... 50 
6.2 Resolution of problems unrelated to GMP self-diagnosis ...................................................................52 
7Commissioning .........................................................................................................54 
8Technical data and type tests....................................................................................55 
8.1 Technical data ...................................................................................................................................... 55 
8.2 Type tests............................................................................................................................................. 57 
9Purchase order specification.....................................................................................58 
 
 

 
[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00] 
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Illustrations 
Figure 1 - Gas and Moisture Specialist Sensor ......................................................................................................13 
Figure 2 - Composition of the gas and humidity monitoring system ....................................................................18 
Figure 3 - Equipment dimensions.......................................................................................................................... 19 
Figure 4 - Distance for sensor installation............................................................................................................. 20 
Figure 5 - GMP electrical connection diagram ...................................................................................................... 24 
Figure 6 - GMP socket with numbered terminals..................................................................................................24 
Figure 7 - Connections and grounding in the RS-485 communication network.................................................... 26 
Figure 8 - GMP front display.................................................................................................................................. 28 
Figure 9 - Self-diagnosis display.............................................................................................................................31 
Figure 10 –Structure of menus and submenus..................................................................................................... 34 
 

[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00]

Tables

Table 1 - Operation conditions 9

Table 2 - Input and output terminals 25

Table 3 - Maximum load of analog output options 27

Table 4 - GMP key functions 29

Table 5 - Typical values of water solubility in oil types (A) 38

Table 6 - Typical values of water solubility in oil types (B) 39

Table 7 - List of analog output parameters 49

[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00]

1Foreword

1.1 Legal information

The information contained in this document is subject to changes without prior notice.

This document belongs to Treetech Sistemas Digitais Ltda. and may neither be copied,

transferred to third parties nor used without express authorization, in terms of Brazilian law

9.610/98.

1.1.1 Disclaimer

Treetech Sistemas Digitais reserves the right to make changes without prior notice in all

products, circuits and functionalities described herein with the aim of improving their

reliability, function or design. Treetech Sistemas Digitais does not assume any liability resulting

from application or use of any product or circuit described in here and does not transmit any

licenses or patents under its rights, not even third party rights.

Treetech Sistemas Digitais Ltda. may own patent or other types of registrations and

intellectual property rights described in the content of this document. Possession of this

document by any person or entity does not give such person or entity any right over these

patents or registrations.

1.2 Presentation

This manual presents all the recommendations and instructions for installation, operation and

maintenance of the Gas and moisture specialist sensor - GMP.

1.3 Typographical conventions

Throughout this text, the following typographical conventions were adopted:

Bold: Symbols, terms and words that are in bold have greater contextual importance.

Therefore, pay attention to these terms.

Italics: Terms in foreign language, alternative or with their use outside the formal situation are

written in italics.

Underlined: References to external documents.

[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00]

1.4 General and safety information

This section presents relevant aspects of safety, installation and maintenance of the GMP.

1.4.1 Safety symbols

This manual uses three types of risk classification, as shown below:

1.4.2 General symbols

This manual uses the following general symbols:

Warning:

This symbol is used to alert the user of potentially dangerous operating or maintenance

procedures in which higher caution must be taken. Minor or moderate injuries may occur, as

well as damage to the equipment.

Caution

This symbol is used to alert the user of a potentially dangerous operating or maintenance

procedure which demands extreme caution in its conduction. There may occur serious injuries

or even death. Possible damages to the equipment may be irreparable.

Risk of electric shock

This symbol is used to alert the user of an operating or maintenance procedure that may result in

electric shock if not strictly overseen. There may be minor, moderate, serious injuries or death.

Important

This symbol is used to highlight important information.

Tip

This symbol represents instructions to facilitate GMP usage and accesses to its information.

[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00]

1.4.3 Minimum profile recommended for GMP operator and maintainer

Installation, maintenance and operation of equipment in electric power substations require

special cares and, therefore, all recommendations of this manual, applicable standards, safety

procedures, safe work practices and good judgment must be used during all handling stage of

Gas and Moisture Specialist Sensor - GMP.

To handle GMP, the operator should:

1. The operator or maintainer must be trained and authorized to operate, ground, turn

on and turn off the GMP, following maintenance procedures according to the safety

practices established, under the sole responsibility of the GMP operator and

maintainer;

2. Be trained in the use of PPEs, CPEs and first-aid;

3. Be trained in the working principles of the GMP, as well as its configuration;

4. Follow regulatory recommendations regarding interventions in any type of equipment

included in an electric power system.

1.4.4 Environmental and voltage conditions required to installation and

operation of the GMP

The table below lists important information on the environmental and voltage requirements.

Only authorized and trained staff –operators and maintainers –should handle this equipment.

[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00]

Table 1 - Operation conditions

Condition

Range/description

Application

Equipment for outdoor use in substations,

industrial and similar environments.

Indoor/outdoor use

Outdoor use

Protection level (IEC 60529)

IP66 (NEMA4)

Altitude* (IEC EN 61010-1)

Up to 2000 m

Temperature (IEC EN 61010-1)

Operation

-40...+85 °C

Process

-10...+90 °C

Storage

-50...+95 °C

Relative humidity (IEC EN 61010-1)

Operation

0...100 % - condensed or Uncondensed

Storage

0...100 % - condensed or Uncondensed

Supply voltage fluctuation

(IEC EN 61010-1)

Up to ±10 % of rated voltage

Overvoltage (IEC EN 61010-1)

Category II

Pollution level (IEC EN 61010-1)

level 3

Atmospheric pressure** (IEC EN 61010-1)

80...110 kPa

*Altitudes above 2000 m already have successful applications.

**Pressure below 80 kPa already have successful applications.

1.4.5 Test and installation instructions

This manual must be available for those responsible for installation, maintenance and users of the

Gas and Moisture Specialist Sensor- GMP.

To ensure user safety, equipment protection and correct operation, the following minimum

precautions must be followed during the GMP installation and maintenance.

1Read this manual carefully before installing, operating or performing maintenance on

the GMP. Errors in installation, maintenance or in the GMP adjustments can cause

undue alarms, fail to issue relevant alarms and thus, cause misunderstanding of the

actual state of health and functioning of the transformer.

2Installation, adjustments and operation of the GMP must be done by trained

personnel familiar with power transformers insulated with mineral or vegetable oil,

control devices and control circuits of substation equipment.

3Special attention must be given to the installation of the GMP, including the type and

gauge of cables, installation location and commissioning, including the correct

parameterization of the equipment.

[ Manual - GMP | MAN-001 | 02/24/2022 | Review: 1.00]

1.4.6 Cleaning and decontamination instructions

By having IP66 protection, cleaning the GMP can be done easily. You can use a cloth with soap,

detergent diluted in water or even ethyl alcohol to clean the entire surface of the equipment.

However, avoid the use of aggressive and corrosive chemical solvents that could damage the

polycarbonate front of the equipment.

1.4.7 Inspection and maintenance instructions

For GMP inspection and maintenance, the following observations must be followed:

GMP can be installed outdoor (exposed to weather) as long as the temperature does not

overpass the one specified for the equipment.

Prioritize GMP installation in places with high oil flow and lowest temperature possible. Stagnant

or poorly circulating oil can compromise the sensor's reading accuracy, while high temperatures

will reduce its useful life. See topic Error! Reference source not found. to learn more about

representativeness in measurements.

Do not open the equipment. There are no parts to be repaired by the user inside it. This

procedure must be done only by Treetech technical support, or professionals certified by

Treetech.

This equipment is completely maintenance free, and visual and operational inspections, periodic

or not, can be done by the user. These inspections are not mandatory.

Opening the GMP at any time will lead to product warranty loss. In case of inappropriate

opening, Treetech can not ensure the product correct functioning, regardless of whether the

warranty period has expired or not.

Do not try to access the equipment's factory menu (FACT). When trying to access this menu with

the wrong password, the display will show the message VOID. After a few attempts, it will

completely block access to the equipment's menus and will void the warranty.

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