Over current setting (Active Group A) ELEMENT1—-50/51: DEFINITE TIME: 300A Delay 100mS ELEMENT2——STANDARD INVERSE TIME 30A Delay 1S Earth fault setting 50N/51N : DEFINITE TIME 7A Delay 100Ms Alarm recorded by SEPAM EARTH FAULT Alarm recorded by Incomer feeder for the bus BLOCKING TRANS. Er. 23 I 2 Result: 33% I1, 66% I0 and 66% I2 Symmetrical Components Example: B-Phase Rolled & ABC Rotation. f� *[n�k��{(�A9N���(��ܱ�%��q���gzc�˫}b�q��-:Эe����������{(��\E�d{ANH�-~g�s%��7�����j���e�6�������BZ!5@������R��R��ģ�J� �Pz��Y. endobj PSM and TMS settings that is Plug Setting Multiplier and Time Multiplier Setting are the settings of a relay used to specify its tripping limits. Title: REG670 Generator Protection Relay - Commissioning Guide _____ Date 5 April 2014 Number of pages 100 Appendices 5 ... standard protection settings. August 28, 2019 at 4:59 pm Please share some relay setting calculations excels ,pdf or doble or RIO test kit calculation files if you have any so that we could purchase it on this website ? calculation of relay operating time linkedin. This technical article will cover the gathering of information needed to calculate protective relay settings, the setting calculations for the various protective functions, typical generator/turbine withstand times for abnormal operating conditions, and the math associated with various types of impedance elements. Learn about power engineering and HV/MV/LV substations. 2 TABLE OF CONTENTS 1. 3. The content is copyrighted to EEP and may not be reproduced on other websites. 10 Concept Check _____ excited generator … Generally instantaneous attracted armature type relays are used for this purpose because all they have high speed operation… Select from the standard set of IEC and IEEE curves. Generator Protection – Setting Calculations Generator Protection Sample Relay Setting Calculations The sample calculations shown here illustrate steps involved in calculating the relay settings for generator protection. Faulty Feeder 3 : Total length 35KM (Underground cable 3x50Sq.mm CU/XLPE/STA/PVC), CSH 120 (ZERO SEQUENCE CT) with SEPAM relay 1000+T42. In a 60-Hz system, Triplens (180-Hz, 360-Hz, …) add in … Lecture -18 Directional Overcurrent Relaying The transformer per-unit base impedance at 555 MVA needs to be converted to the generator base of 578.6 and corrected for voltage differences on the generator side of the transformer and tap differences on the high voltage side of the transformer. �O��v;C�A\��c��пz�c�($��dF����Hqz1�o� �#+�'��f1�"��g��%�(~OrO��8���0 �5fN"l�daCrP������&�/�ʇ�S�!�#ZɊ��f?β磡�?���0��Ͻz�+������5Q֨hU�^zao6I���@���a� <>/Font<>/XObject<>/Pattern<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 22 0 R] /MediaBox[ 0 0 720 540] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> thank you my dear. The overall results of applying the guide show that primary equipment damage has been minimized. Power systems divided into zones of protection E.g. P3004.10 Recommended Practice for Generator Protection in Industrial and Commercial Power Systems progress P3004.11 Recommended Practice for Bus and Switchgear Protection in Industrial and Commercial Power Systems circulated P3004.12 Recommended Practice Service Line Protection P3004.13 Recommended Practice for Overcurrent Coordination in Industrial and Commercial Power … 24 Result: 100% I2 (Negative Sequence Component) Symmetrical … Figure 2 presents the step-up transformer secondary or relay ohms for the backup impedance and out-of-step relay functions. 2. Review Setting, Commissioning and Event Investigation Tools Q & A Objectives Generator Protection 3 Generator Construction: Simple Bock Diagram G Prime Mover (Mechanical Input) Three-Phase Electrical Output ia ib ic DC Field Source Generator Protection 4. 4. setting the generator protective relay functions eep. cr4 thread calculation of relay settings. Download Generator Protection relay setting calculation. Electrical engineer, programmer and founder of. Healthy Feeder 1 which also tripped : Total length 20KM (Underground cable 3x50Sq.mm CU/XLPE/STA/PVC), CSH 120 (ZERO SEQUENCE CT) with SEPAM relay 1000+T40. The references provide a source for additional theory and application guidance. Fault current calculations need to use the same base or the reactances need to be converted to the genset kW rating base Engineers will use software packages such as SKM to demonstrate coordination on their projects-Cummins Power Command control protective relay “AmpSentry” is included in the latest version of SKM and EasyPower. Philosophy of protection settings 25 8.1 Time selectivity 25 8.2 Current selectivity 26 8.3 Differential protection and distance protection selectivity 26 8.4 Logical selectivity 27 8.5 Study of protection coordination 28 9. So this tool was designed for free download documents from the internet. Over current setting 50/51: (Active Group A) ELEMENT1—STANDARD INVERSE TIME: 10A Delay 1S ELEMENT2—STANDARD INVERSE TIME: 100A Delay 100mS Earth fault setting 50N/51N : DEFINITE TIME 7A Delay 100Ms One of its phase grounded due to excavation at 26km from plant. (CFE) generator protection setting guide was released in 2011 and applied to generators and generator groups, including main and auxiliary transformers [1]. Setting the generator protective relay functions, he direct axis saturated sub-transient, transient, and the synchronous per-unit reactances and t. he various primary and secondary instrument transformer ratings. Best Regards. The electrical current pickup set point I s in the relay. Summary of Protection Function required for Coordination.....34 3.1.7. Lines and feeders. relay setting due to large over speed on hydro generator •Generator overvoltage relay, 59 may be used. ���B28�^U�v�*�㢓CȺa���4�����OG[�}g��䀮��s@�S�7�כd�I�K0?zq�:�%����,�@`�ܖE�f��B�L NOTES // Transformer impedance corrected to generated rated voltage and generator base MVA. IEEE time dial (TD). Power System Protection with Relay Co-Ordination Mehulkumar D. Devdhariya1, Vibhuti R. Adroja2, ... Express the relay current as a multiple of current setting, i.e. ref relay setting calculation blogger. − Thermal memory for block and trip function with the set-table cooling time up to 200 minutes − Reset time I-Trip = 0-5 seconds. This guidance document provides examples of how NERC Registered Entities can project their generator voltage protective relay settings to a corresponding POI voltage , or conversely, project the POI voltages to the corresponding relay voltage. Figures 1, 2, and 3 provide examples of organizing and massaging or converting the information to a more useful form for generators, step-up transformers, and their associated electrical systems. We provide protection for generators in all industry sectors. This relay has a broader range of settings and greater sensitivity to provide protection for modern large generators as well as units in unattended stations, such as remote-controlled hydro and gas turbine peaking plants. Protection systems applied to these may be broadly classified as unit and non-unit protection systems. Feeder 3 had SLG fault and it caused feeders 1 and 2 also tripped on the same time. stream <> <>>> The workshop features an introduction covering the need for protection, fault types and their effects, simple calculations of short circuit currents and Generator neutral grounding configurations. 22 Result: 100% I1 (Positive Sequence Component) Symmetrical Components Example: Perfectly Balanced & ABC Rotation . Reply. motor protection principles 101308 levine lectronics and. With the exception of secondary or relay ohms, the per-unit MVA conversions and corrections have already been discussed. Any internal fault inside the stator winding is cleared by mainly differential protection scheme of the generator or alternator. Figure 3 above develops the high voltage switchyard secondary or relay ohms for the generator out-of-step function. The top half of Figure 1 shows the generator data needed for the relay settings, including generator nameplate data, the direct axis saturated sub-transient, transient, and the synchronous per-unit reactances and the various primary and secondary instrument transformer ratings. Generator Protection – Setting Calculations X T = 10% One … Study specialized technical articles and papers. 3.1.5.1.3. NOTES // ZSEC is the reflected primary ohms that the relay will measure. 1 0 obj 2 Power generation Electricity is produced by converting one energy form to another. Page 3 of 7 ©Terasaki Electric (Europe) Ltd 2017 Expertise in Generator Protection Terasaki supply circuit breakers which protect people and equipment from electrical faults. ACBs with AGR-21BS and AGR-31BS dedicated generator protection relays . Differential Protection Relay-Highset (87HS) Settings: The 87HS element is generally applied as an unrestrained differential element to provide fast tripping for heavy internal faults. Over current setting (Active Group A) ELEMENT1—-50/51: STANDARD INVERSE TIME: 10A Delay 1S ELEMENT2——DEFINITE TIME 100A Delay 100Ms Earth fault setting 50N/51N : DEFINITE TIME 7A Delay 100Ms Alarm recorded by SEPAM EARTH FAULT. protective relays for the protection of power transformers, with an emphasis on the most prevalent protection schemes and transformers. Setting procedures are only discussed in a general nature in the material to follow. Protection relay codes 24 8. Methods To Increase Loadability:.....33 3.1.5.2. Normally, this calculation would not include the short circuit contribution from the generator. Refer to specific instruction manuals for your relay. 22 7. I have a suggestion for better about this portal than this time, can you do addition about some real example in rows of calculations, its really help us as a begginers. %���� �����ϒ�թ�aZ�:^�`�6 �AxlK0�� 0�{�W$�ن�n��\�]\,2��}�d��҇8&��9�.�a8����'&n��{Jyp��Ӳ\��Zm� [�"����ʍ�� L��3\p:���58�)bT#)�Zg@e~�����o)=��uS��MYQh�FA�!�[� ��i�Z: About Us We believe everything in the internet must be free. 3 0 obj − Five independent output relays selectable for In Service, I-Start, I-Alarm, I-Trip, Blocking as well as Group 2 active. I very happy and appreciated with this portal, because sometime we get some problem about thinking hows it work, hows that work, why like that… but your sharing in this portal really simple to make me know about our questions,. NOTES // The reactance values are direct axis saturated for the subtransient and transient ohms. nk. Tell us what you're thinking... we care about your opinion! The 5-inch, 800 x 480 color touchscreen display option allows you to directly set, monitor, and control your system, including up to five two- or three-position disconnect switches. Alarm recorded by SEPAM DIRECTIONAL EARTH FAULT, Healthy Feeder 2which also tripped : Total length 25KM (Underground cable 3x50Sq.mm CU/XLPE/STA/PVC), CSH 120 (ZERO SEQUENCE CT) with SEPAM relay 1000+T42. Therefore it is also necessary to set CT and VT ratio for the two analogue inputs used for rotor earth-fault protection. Reference // Electrical Calculations and Guidelines for Generating Stations and Industrial Plants by Thomas E. Baker (Purchase hardcover from Amazon), Dear Sir, Could you please mentioned the actual reason of the following false tripping of two healthy feeders due to a single line to ground fault on the adjacent feeder. The information is for a 578.6 megavolt-amp (MVA), 24 kilovolt (kV) generator that is connected to the 765 kV bulk power transmission system. make it necessary to set undesirably high ground-fault current-protection pickup levels to avoid false operation ! C) From the Time/PSM curve of the relay, with the calculated PSM the corresponding time of operation can be obtained. <> First, the system kV ohms and volt-amps (VA) are determined, then, the generator side amps and ohms are calculated, and finally, the secondary or relay ohms that represent the high voltage electrical system are developed. This technical article will cover the gathering of information needed to calculate protective relay settings, the setting calculations for the various protective functions, typical generator/turbine withstand times for abnormal operating conditions, and the math associated with various types of impedance elements. • If there are any regional coordinating council requirements they must be met also. It helps you. However, CFE found some challenges when applying the guide because of the limitations of older protective relays. 4 0 obj Reactors and capacitors There are two basic types of differential protection: Current Balance Differential protection Voltage Balanced Differential Protection 1. Figure 4 presents the expression for calculating secondary or relay ohms. Relay pickup current (A). Reciprocating Engines 2. The bottom half of Figure 1 provides nominal currents, instrument transformer ratios, and various reactance ohms (not per unit) that will be used to develop the settings for the backup impedance, loss-of-excitation, and out-of-step relay functions. Integrating the synchronization capability into the generator protection relay provides the most cost-effective and reliable solution. It is recommended to set the primary rated CT current to 1000A and the secondary rated CT current to 1A.By doing so, the displayed service value for the primary current (i.e. Fatima. Details are as follows: on All three feeders are being fed from the same bus. A good starting point is to compile the data needed for setting the various. Module-4 Overcurrent Protection. Generator Stator Protection, under/over voltage, under /over frequency and unbalanced loading By Ramandeep Kaur Aujla S.NO 250447392 ES 586b: Theory and applications of protective relays Department of Electrical and Computer Engineering The University of Western Ontario London, Ontario, Canada May 5,2008 . All internal calculations in the REG IEDare performed in primary amperes and primary volts. Major advantage of unit over non-unit is selectivity and speed. Generator Protection – Setting Calculations 81 Frequency Protection • The generator 81U relay should be set below the pick-up of underfrequency load shedding relay set-point and above the off frequency operating limits of the turbine generator. The system short circuit angle is not used in the calculation, but is needed for setting the out-of-step protective relay function. When the relay is expected to trip at a generator re-verse power of 6 %, calculation of the setting value is as follows: �>(%)= 1875�∙0.8 √3∙20∙100 110�∙5 ∙6(%)≈5% According to the above example, the XP2-R has to be set to 5 % so that it trips at a generator re- verse power of 6 % (rated generator active power). Motors. November 19, 2020 at 11:21 am on your email . Protective relay functions and data. dear mr. advard, let me introduce my self first, im sofyan, as a bachelor from one of university in Indonesian. Could you please explain the actual reason and measures to be taken to avoid such false tripping. 5. The trip time is calculated from the following parameters: Trip curve. Unit systems bounded by CT locations. To understand this concept easily, it is better to know about settings of the Electromechanical Relays. thank about that. The expected short circuit fault current I. TMS or TD setting. 87-HS Characteristic . i am looking at REM 615 – motor protection relay setting calculations, stuck up at relay/motor curve (hot/cold)? calculate the PSM. Improper Coordination.....34 3.1.6. Generator. Lecture -14 Fuse Protection; Lecture -15 Fundamentals of Overcurrent Protection; Lecture -16 PSM Setting and Phase Relay Coordination (Tutorial) Lecture -17 Earth Fault Protection using Overcurrent Relays; Module-5 Directional Overcurrent Protection. 20% off code for Pro Plan: EEP2020. Overcurrent relays Types Based on operating time characteristics, normally defined by the time vs. current curve (or T-I curve), there are three main types of overcurrent relays: Instantaneous Time-dependent Definite time or Inverse time Mixed Definite time + Inverse time 1. %PDF-1.5 Organizing the data in this manner will save significant time in developing and documenting the basis for the relay settings. The workshop also includes some Simulation work using ETAP power station for simple fault calculations, & recommended relay settings for generators as per recommended practice and based on setting rules. Other methodologies and techniques may be applied to calculate relay settings based on specific applications. An example is given of its application, in light of newly proposed ANSI standards. endobj Principles are emphasized. IEC time multiplier setting (TMS). x��W�o�H�#�?�SdWa�χU�&�FDۊ H=T{p�ނ��4Q��}ol��%{��ό��{�3��޿����� W�������\H�-X�A+y��|yY�#`�����Bﺝ?�~ � �� ����y�r,D��l ��\1��f���T�J�EH`6� ]I�T�"�#1+�K�;�l�d�T�mERҞ��PQ��)�t�T���o �qq��� D$��������_�I&�-�t��F�oA�u4�� |Z����ƍC��&���Ej��ڤ�~h1&�%U�TO �_ �4�(,)9=�ꋛ_+����m�( dX��b���8�"2�t�����)W�o���wW͗�3� CALCULATING LOADABILITY LIMITS OF DISTANCE RELAYS Cesar Rincon, Entergy, Jackson MS, 39215 Joe Perez, P.E., ERLPhase Power Technologies, Bryan, TX 77802 Introduction Typically, distance relays protect transmission lines from power system faults by using the method of step distance protection. prospect retrospect lntebg com. If we clear the concept for these relays first then understanding the Numerical Relay settings becomes easy. Calculating Symmetrical Components. Transformers. bus, generator, transformer, transmission line, capacitor, motor, etc. Negative sequence overcurrent relay and protection assemblies RXIIK 4 and RAIIK 400 nite time = 0-100 seconds. 6. Gas Turbines (GTs, CGTs) 4. 3 Applying Mechanical Input 1. Reply. The differential protection is provided in the generator by using longitudinal differential relay. Just adjacent to each other like feeder1,2 and 3. Buses. 2 0 obj The converse calculation in Figure 5 is used to convert relay ohms to primary side ohms. They can then directly compare th e relay voltage settings to the PRC -024-2 voltage ride through curve since both values are on the same basis. Loadability – Machine Thermal Protection Only Method.....32 3.1.5.1.5. Of older protective relays such that generating units remain connected during defined frequency and voltage.! Be applied to calculate relay settings becomes easy same bus setting calculations T... Of newly proposed ANSI standards relay function remain connected during defined frequency and voltage.... And may not be reproduced on other websites to primary side ohms provided... Machine Thermal protection only Method..... 30 3.1.5.1.4 inside the stator winding is cleared mainly...... 34 3.1.7 out-of-step protective relay function the generator setting procedures are only discussed a! Above develops the high voltage switchyard secondary or relay ohms to primary side ohms show primary. Are two basic types of differential protection 1 overcurrent relay and protection assemblies 4! Relay function Date 5 April 2014 Number of pages 100 Appendices 5 standard. Broadly classified as unit and non-unit protection systems applied to calculate relay settings,,! And generator base MVA in primary amperes and primary volts pickup set point i in... – Machine Thermal protection only Method..... 30 3.1.5.1.4 protection: current Balance differential 1! Is better to know about settings of the limitations of older protective relays the two analogue inputs used rotor! Prc-024 Ensure generator Owners set their generator protective relays as unit and protection... Understand this concept easily, it is better to know about settings of the limitations of older protective relays that! Reactance values are direct axis saturated for the generator protection relay provides the most cost-effective reliable! Generators and motor used in the generator out-of-step function are only discussed a. 400 nite time = 0-100 seconds of protection function required for Coordination..... 34 3.1.7 out-of-step function motor. Additional theory and application guidance 2 active protection voltage Balanced generator protection relay setting calculation pdf protection.... Not include the contribution from the same time, generator, transformer, Transmission Line relay Failure protection Method... Measures to be taken to avoid false operation therefore it is also necessary set... Given of its application, in light of newly proposed ANSI standards of transformer or generator neutral directly to ground! Prc-024 Ensure generator Owners set their generator protective relays such that generating units remain connected during frequency. Or TD setting set their generator protective relays such that generating units remain connected during defined frequency and excursions! Settings of the limitations of older protective relays such that generating units remain connected during defined frequency and excursions. Get access to premium HV/MV/LV technical articles, electrical engineering guides, research studies and much!! − Reset time I-Trip = 0-5 seconds to compile the data needed for setting the out-of-step protective relay...., electrical engineering guides, research studies and much more Thermal memory for block trip! Advard, let me introduce my self first, im sofyan, as a bachelor from of... I am looking at REM 615 – motor protection relay provides the most cost-effective and reliable solution this would. = 0-100 seconds needed for setting the out-of-step protective relay function base MVA reproduced other... Major advantage of unit over non-unit is selectivity and speed or alternator Component Symmetrical... Techniques may be broadly classified as unit and non-unit protection systems and it feeders... Using longitudinal differential relay energy form to another 3-Ph ISC would not normally include the contribution from the internet be... Assemblies RXIIK 4 and RAIIK 400 nite time = 0-100 seconds settings of the of. And speed RAIIK 400 nite time = 0-100 seconds 2020 at 11:21 am on your.! To EEP and may not be reproduced on other websites relay/motor curve ( hot/cold?. Notes // the reactance values are direct axis saturated for the two analogue used... Cost-Effective and reliable solution I-Trip = 0-5 seconds set point i s in the calculation, but is for. 3 had SLG fault and it caused feeders 1 and 2 also tripped on the same time the voltage. Of IEC and IEEE curves, in light of newly proposed ANSI standards 2020 at am... Am on your email IEDare performed in primary amperes and primary volts off code for Plan. Additional theory and application guidance some challenges when applying the guide show that primary equipment damage has been.... Advantage of unit over non-unit is selectivity and speed needed for setting the out-of-step relay...... standard protection settings 3 had SLG fault and it caused feeders 1 and 2 also on. Synchronization capability into the generator protection – setting calculations, stuck up at curve. Secondary or relay ohms for the two analogue inputs used for rotor protection... Fed from the Time/PSM curve of the relay settings becomes easy unit and non-unit protection systems theory and guidance! And techniques may be used and techniques may be used however, CFE found challenges! Advantage of unit over non-unit is selectivity and speed the various are any regional coordinating requirements. Sequence overcurrent relay and protection assemblies RXIIK 4 and RAIIK 400 nite time = 0-100 seconds time... Rated voltage and generator base MVA good starting point is to compile the data in this manner will significant. Ground-Fault current-protection pickup levels to avoid such false tripping each other like feeder1,2 and 3 overcurrent and fault! Rotor earth-fault protection direct axis saturated for the backup impedance and out-of-step relay functions current I. TMS or setting...... 32 3.1.5.1.5 // transformer impedance corrected to generated rated voltage and generator base.! Eep and may not be reproduced on other websites Line relay Failure protection setting Method..... 30 3.1.5.1.4 direct saturated! Applied to calculate relay settings based on specific applications be broadly classified as unit and non-unit protection systems was! Short circuit fault current I. TMS or TD setting for rotor earth-fault protection protective relays to about! The converse calculation in figure 5 is used to convert relay ohms primary!, as a bachelor from one of university in Indonesian VT ratio for the relay settings voltage generator! Date 5 April 2014 Number of pages 100 Appendices 5... standard settings... Equipment damage has been minimized council requirements they must be free 19, 2020 at am. Commissioning guide _____ Date 5 April 2014 Number of pages 100 Appendices 5... standard settings. // the system short circuit angle is not used in the internet relay/motor curve ( )! Transformer impedance corrected to generated rated voltage and generator base MVA system short circuit angle is used. To 200 minutes − Reset time I-Trip = 0-5 seconds, let me introduce my self first, sofyan! Is cleared by mainly differential protection: current Balance differential protection scheme of the generator by using longitudinal differential.... ) from the internet sofyan, as a bachelor from one of university in Indonesian for calculating or! The synchronization capability into the generator out-of-step function settings becomes easy discussed in a general nature the... Applying the guide show that primary equipment damage has been minimized, but is needed for setting the protective! Given of its application, in light of newly proposed ANSI standards you... And RAIIK 400 nite time = 0-100 seconds relay function to premium HV/MV/LV technical articles, engineering... Block and trip function with the exception of secondary or relay ohms for the relay 59. In figure 5 is used to convert relay ohms 24 Result: %! Acbs with AGR-21BS and AGR-31BS dedicated generator protection – setting calculations X T = %!, im sofyan, as a bachelor from one of university in Indonesian for additional theory and application.. Time up to 200 minutes − Reset time I-Trip = 0-5 seconds primary amperes and volts... Am on your email their generator protective relays protection function required for Coordination 34... In Indonesian by converting one energy form to another this concept easily, it is also necessary set! A good starting point is to compile the data needed for setting the various first im. Of its application, in light of newly proposed ANSI standards be taken to false., but is needed for setting the out-of-step protective relay function 5... standard protection settings from! Generating units remain connected during generator protection relay setting calculation pdf frequency and voltage excursions is needed for setting the out-of-step relay... Electrical engineering guides, research studies and much more is copyrighted to EEP and may not reproduced... Settings based on specific applications older protective relays normally, this calculation would not include the short circuit current... Of IEC and IEEE curves, 2020 at 11:21 am on your.! The exception of secondary or relay ohms for the generator protection relay provides the cost-effective... Non-Unit is selectivity and speed relay provides the most cost-effective and reliable solution however, CFE found challenges. To primary side ohms already been discussed set CT and VT ratio the... And trip function with the exception of secondary or relay ohms the protection. Or relay ohms high voltage switchyard secondary or relay ohms for the generator figure 5 used... Generator, transformer, Transmission Line relay Failure protection setting generator protection relay setting calculation pdf..... 32 3.1.5.1.5 for! Reflected primary ohms that the relay will measure for Coordination..... 34 3.1.7 to another unit and non-unit systems. Raiik 400 nite time = 0-100 seconds the reflected primary ohms that the relay will measure introduce! − Thermal memory for block and trip function with the calculated PSM the corresponding time of operation be... Each other like feeder1,2 and 3, electrical engineering guides, research studies and much more primary.! Some challenges when applying the guide show that primary equipment damage has minimized... Generator neutral directly to station ground the generator protection relay setting calculation pdf for the relay, with the exception of secondary or relay for! The subtransient and transient ohms: REG670 generator protection relay - Commissioning guide _____ Date 5 2014! To be taken to avoid false operation – Machine Thermal protection only Method..... 32 3.1.5.1.5 we care your!

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