Megger SG32-1500M Скачать руководство пользователя страница 15 | Manualshive

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SPECIFICATIONS

SG32-UG-EN-V01 Dec 2016

5

Optional (not supplied as standard)

High Resistance Fault Pinpointer

Digiphone Plus

Cable Reels / Rack Systems

Megger have several cable drums and cable drum
assemblies which need to be specified dependent on
installation and possible combination with other
instruments.
Another consideration is where the equipment is
installed into a vehicle or trailer the available payload
must be taken into consideration.
It is recommended that the factory is contacted prior
to ordering the optional cable reels or cable rack
assemblies.

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Содержание SG32-1500M

Страница 1: ...SG32 1500M Megger Portable Cable Fault Locator HIGH VOLTAGE EQUIPMENT Read this entire manual before operating EN 61326 M Valley Forge Corporate Center 2621 Van Buren Avenue Norristown PA 19403 2329...

Страница 2: ......

Страница 3: ...SG32 1500M Megger Portable Cable Fault Locator...

Страница 4: ...397 5911 110 Milner Avenue Unit 1 Scarborough Ontario M1S 3R2 Canada T 1 416 298 6770 F 416 298 0848 Canada Sales megger com 23 rue Eug ne Henaff ZA du Buisson de la Couldre 78190 TRAPPES T 01 30 16 0...

Страница 5: ...kin has been compromised very small voltage of up to 3V can kill Accidental contact with high voltage supplying sufficient energy will usually result in severe injury or death This can occur as a pers...

Страница 6: ......

Страница 7: ...32 1500M 7 Basic Operating Principle of User Interface 7 All Controls 7 Overview of Methods available on the SG32 1500M 7 TDR Pulse Reflection 7 Arc Reflection 7 Arc Reflection Multi shot 7 Differenti...

Страница 8: ...NANCE 35 ADDENDUM 1 Cable Fault Location Applications Guide 37 ADDENDUM 2 39 Typical Fault Locating Strategy 39 Overview of Fault Pre location Methods 41 Description of TDR Pulse Echo Techniques 41 De...

Страница 9: ...ge incurred during transit If these conditions are found a safety hazard is likely DO NOT attempt to operate equipment Please contact Megger as soon as possible Please check your delivery against a yo...

Страница 10: ...ed to set off important information from the rest of the text F A WARNING symbol alerts you to a hazard that may result in equipment damage personal injury or death Carefully read the instructions pro...

Страница 11: ...the accessory bag The SG32 1500M xx maximum power requirement is 1200 VA when used with AC input Two pole three terminal grounding type connector must be used Modes of Operation High Voltage Hipot Pro...

Страница 12: ...te Single Shot 1 to 15 seconds Arc Reflection Arc Reflection Multi shot Prelocating Voltage 0 to 16 kV 0 to 32 kV Energy 100 of range 1500 joule 0 to 16 kV 1500 joule 0 to 32 kV Number of Traces Multi...

Страница 13: ...1 s 2 s 5 s 10 s Pulse Amplitude 25V into 50 Ohms Sampling Rate 100 MHz Resolution VP 55 0 82 m 2 7 ft Time base accuracy 200 ppm Output impedance 50 Ohms Gain Variable over 60 dB in 5 dB steps Displ...

Страница 14: ...965 mm 38 inches Width 536 mm 21 inches Depth 503 mm 20 inches Weight Total 131 kgs 290 lbs Accessories Standard supplied with instrument Safety Ground Cable 15 m flexible ground cable with ferrules...

Страница 15: ...nd cable drum assemblies which need to be specified dependent on installation and possible combination with other instruments Another consideration is where the equipment is installed into a vehicle o...

Страница 16: ...M SG32 UG EN V01 Dec 2016 6 M...

Страница 17: ...hod should be used Arc Reflection Arc Reflection is the most widely HV method of fault Pre location used especially on solid dielectric insulated MV and HV cables It is suitable for high resistance fl...

Страница 18: ...g long wet or PILC cables The fault is ignited and the resultant transients are recorded on the TDR which in this mode acts as a transient recorder no active TDR pulse The trace displays negative ref...

Страница 19: ...s HV Cable not connected properly When illuminated this LED indicates that the safety loop has a resistance in excess of 5 Ohms indicating poor grounding or no grounding 4 CHECK MODE SWITCH LED Yellow...

Страница 20: ...lete 9 HV OFF LED Red When the unit is in the state to output HV or is delivering HV it s red HV OFF LED is on signal ling that the entire test circuit is or must be considered energized By pushing on...

Страница 21: ...Shot button Single Shot is automatically activated when in ARC Reflection or in Surge and with the Surge Timer turned to Single Shot This is typically the case when using the ICE or Surge Pulse prelo...

Страница 22: ...meter Indicates applied voltage in Proof Burn Surge and Arc Reflection Test modes NOTE The kV meter measures the voltage in the HV output it functions without being powered from the SG32 1500M It wil...

Страница 23: ...h NOTE Always apply the Single Point Grounding method that means that the earthing safety ground lead of the SG32 1500M is connected to the system ground of the switchgear or the transformer where als...

Страница 24: ...input power supply and as such can be supplied from any voltage between 108 and 265Volts correct fuses must be installed 25 FUSEHOLDER 2 x Fuse holder hot leg and neutral 26 HOLDER SPARE FUSES Compart...

Страница 25: ...closing of the lid of the SG32 1500M 29 ON OFF SWITCH A separate AC Power On Off Switch for the MTDR 30 USB PORT USB port to download upload memorized traces including all parameters 31 MTDR JOG DIAL...

Страница 26: ...M SG32 UG EN V01 Dec 2016 16 M...

Страница 27: ...ground where pushing could become difficult additional handles are fitted to the top and bottom side panels whereby additional persons may assist moving the SG32 1500M onto its required operating posi...

Страница 28: ...of that class of system An understanding of the hazards which may arise during the work and the precautions which need to be taken The ability to recognise at all times whether it is safe for work to...

Страница 29: ...unless the equipment is de energised and all parts of the test circuit are earthed grounded Be aware that any voltage applied to the Cable Specimen will be present at the remote end s and at any other...

Страница 30: ...M SG32 UG EN V01 Dec 2016 20 M...

Страница 31: ...put cable expose the HV Return Concentric Neutral Metallic shield to the operator and pose a safety hazard and the cable should be replaced F WARNING DO NOT EXTEND the HV Return lead of the HV Output...

Страница 32: ...it and its other end to AC Power only after all connections are made and the test area is cordoned off Earth Ground the Instrument Prior to operating the SG32 1500M or making any other connections the...

Страница 33: ...rotect people from possible electrical shock This includes the cable terminations point of connection and other areas of potential hazard Switching On Once all connections incl the AC line connection...

Страница 34: ...nection Rules 1 Connect Safety Ground Earthing lead of SG32 1500M to the system ground of the device to be tested 2 Connect HV Return Shield of HV Test Lead to neutral metallic shield of cable to be t...

Страница 35: ...Time Domain Reflectometer Pulse Echo Low Voltage Pre location Arc Reflection Multi shot High Voltage Pre location Differential Arc Reflection DART High Voltage Pre location Impulse Current Surge Impu...

Страница 36: ...switches are locked until the test mode is deselected 3 Assuming all interlocks are satisfied all Safety Interlock indicators will remain off If any of the interlocks are not satisfied the appropriate...

Страница 37: ...nder test can now be assessed by reviewing a breakdown voltage and b leakage current 8 Push the HV OFF pushbutton item 23 and the selected test voltage will be removed from the cable under test The HV...

Страница 38: ...m 12 This voltage is displayed on the D C Kilovolt meter item 22 7 If the fault needs conditioning burning then the operator leaves the proof burn voltage applied rather than removing it after a break...

Страница 39: ...tivated mechanical interlock 2 Ensure that the SELECT Voltage Range switch item 14 is fully pushed down and seated As we are using the TDR in low voltage pre location no HV voltage is required 3 Set t...

Страница 40: ...of these test modes are available 4 Push the ARC REFL pushbutton item 20 The selection is confirmed by the pushbutton s Blue LED remaining illuminated and the TDR pushbutton s Blue LED extinguishing...

Страница 41: ...how to configure them are described in Addendum 3 MTDR100 User Guide The SG32 1500M is operated in both Arc Reflection methods identically 12 Pushing the HV OFF button item 9 will discharge the select...

Страница 42: ...d voltage is displayed on the analogue D C Kilovolt meter item 22 8 Set the rotary SURGE TIME CONTROL knob item 13 to the desired repetition rate either to single shot or to typically 5 seconds delay...

Страница 43: ...Mode switches cannot be changed while a particular test mode is activated mechanical interlock 3 Set the SELECT test Mode knob item 16 to the SURGE PROOF BURN test group Both buttons blue LEDs will il...

Страница 44: ...will light up indicating that the SELECT Mode switch is now unlocked and the user can select among the 4 available test modes Switching off the unit 1 The PLC inside the SG32 1500M will be de energize...

Страница 45: ...n Authorization RMA number and shipping instructions When reporting any failures or issues please have available all pertinent information including catalogue number serial number and symptoms of prob...

Страница 46: ...mechanical damage 12 Any signs of water ingress or water damage 13 How long had the unit been operating before it failed 14 Local conditions i e weather temperature humidity dust etc 15 Contact detail...

Страница 47: ...SG32 UG EN V01 Dec 2016 37 ADDENDUM 1 Cable Fault Location Applications Guide...

Страница 48: ...Resistance Proof Test Fault Diagnosis Low Resistance Fault High Resistance Fault Pulse Echo Method TDR Arc Reflection Method Impulse Current Method ICE Voltage Decay Method Burn Proof Burn Pinpoint F...

Страница 49: ...4 If the TDR data is inconclusive use the DC Proof Dielectric Test function to positively identify the faulted phase Separately bring each phase up to a test voltage as agreed by local conditions or r...

Страница 50: ...eparated by the time taken for the transients to travel time from the fault back to the SG32 It should be noted that the first displayed pulse includes the ionisation delay and should not be used for...

Страница 51: ...tive reflection depending on the impedance characteristic negative reflection for low impedance to shield faults and positive reflection for high impedance faults In TDR mode the time which the pulse...

Страница 52: ...e trace An HV impulse is applied to the cable the impulse going through the Arc reflection filter This arc reflection filter stretches in time the outgoing pulse which then ignites the fault creating...

Страница 53: ...surge energy but the disadvantage of not seeing the start and the end of the cable In Impulse Current we use an Impulse Generator Inductive Coupler C T and the MTDR100 which acts like a transient rec...

Страница 54: ...and a charging voltage to 40kV results in an energy of 800J this shows that the Decay method is very ineffective at voltages below 40kV The MTDR100 is operating in both the ICE and the Decay method as...

Страница 55: ...SG32 UG EN V01 Dec 2016 45 ADDENDUM 3 MTDR100 User Guide...

Страница 56: ...M SG32 UG EN V01 Dec 2016 46 M...

Страница 57: ...ent Analysis 10 ranges Auto 100m to 55km 328ft to 34miles 100m to 200km 328ft to 137miles Pulse Width 50ns 100ns 200ns 500ns 1 s 2 s 5 s 10 s Pulse Amplitude 25V into 50 Ohms Sampling Rate 100 MHz Res...

Страница 58: ...16 48 Dimensions integrated into hood 406 4mm x 419 1mm x 241 3mm 16 in x 16 5 in x 9 5 in Weight 6 7 kgs 14 7 lbs Temperature Operating 4 to 122F 20C TO 50C Storage 4 to 133F 20C TO 55C Humidity 95 p...

Страница 59: ...formation and traces to achieve rapid accurate fault location 2 SB Port USB port to download upload memorized traces including all parameters and to upgrade system 3 MTDR Jog Dial With this jog dial t...

Страница 60: ...s all stages of the negative reflections of all traces over a certain time interval can be evaluated Differential Arc Reflection DART In Differential Arc Reflection mode unwanted and confusing reflect...

Страница 61: ...nvenience the bridge or short can be placed at the near end however the far end is preferred for better clarity The output of the surge generator is connected to both the faulted and good core and the...

Страница 62: ...by operator or by default setting in cable library 3 Pulse Pulse width either set automatically with range or manually by operator 4 Gain Amplification applied to the trace 5 Range Desired range of M...

Страница 63: ...continuous sampling in TDR Pulse Echo modes only available in TDR mode or when taking the reference trace in Arc Reflection Multi shot 12 Trigger ON Activates trigger transient recorder for Arc Refle...

Страница 64: ...l through the available menus and sub menus The required parameter or settings is activated by depressing the jog dial The selected item will be highlighted on the display Changes to the selected item...

Страница 65: ...em 14 can be set to any range If using HV methods of Pre location this Voltage Range switch item 14 is to be set to the desired range either 16 or 32kV The Select Mode switch item 16 is set to the TDR...

Страница 66: ...isfy individual requirements follow the following procedure NOTE All menus and submenus are accessed by turning the jog dial until the desired menu item is highlighted and then depressing the Jog dial...

Страница 67: ...Vp 2 International Keyboard When selected the system will use a keyboard with local language specific characters Auto Range on Start up When selected on turn on the unit will automatically auto range...

Страница 68: ...cable type may also be set In the event of a specific cable not being in the database you can add a cable type by selecting New Edit Delete Cable Type and then New Cable Type in the sub menu Fill in...

Страница 69: ...Save Defaults In this submenu you save the default settings for the selected Mode These settings are then used as the default for that Mode Load Defaults By selecting this you will load your saved de...

Страница 70: ...on the left cursor will be locked D A R T Differential Arc Reflection The operator can choose whether the DART function is active or not Depress jog dial to activate Trace Filter Filters or averages t...

Страница 71: ...rom here the operator can recall any previously saved trace from the internal memory Delete Allows the operator to delete any saved traces from the internal memory Job Information Allows the operator...

Страница 72: ...ng the jog dial you will then be presented with the following sub menu options Arc Reflection Multi shot Use to select Arc Reflection Multi shot method of pre location on the MTDR TDR To select standa...

Страница 73: ...t the MTDR to the desired range TDR 100m to 55km Transient 100 200km It is recommended that a higher range than the anticipated length of the cable is used Pulse Width Select by depressing jog dial Al...

Страница 74: ...ial TRIGGER ON Select by depressing jog dial Required in Arc Reflection Surge Impulse Loop off Loop on modes to arm or initiate the transient memory required for these methods The following message to...

Страница 75: ...SG32 UG EN V01 Dec 2016 65 Megger Quality System Certificate...

Страница 76: ...M SG32 UG EN V01 Dec 2016 66 M...

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