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PMC-690

Hand-Held Power Quality Analyzer

User Manual

Version: V1.0A

Aug 27, 2018

Содержание PMC-690

Страница 1: ...PMC 690 Hand Held Power Quality Analyzer User Manual Version V1 0A Aug 27 2018...

Страница 2: ...make changes without notice Please consult CET or your local representative for latest product specifications Standards Compliance DANGER This symbol indicates the presence of danger that may result i...

Страница 3: ...During normal operation of the meter hazardous voltages are present on its terminal strips and throughout the connected potential transformers PT and current transformers CT PT and CT secondary circui...

Страница 4: ...not accept liability for any damage caused by meter malfunctions CET accepts no responsibility for the suitability of the meter to the application for which it was purchased Failure to install set up...

Страница 5: ...l Buttons 18 3 2 Menu Tree 19 3 3 Front Panel User Interface 20 Chapter 4 Applications 27 4 1 Power Energy and Demand 27 4 1 1 Basic Measurements 27 4 1 2 Energy Measurements 27 4 1 3 Demands 27 4 2 S...

Страница 6: ...ort 49 4 7 2 USB Port 49 4 8 Data Storage 49 Chapter 5 Modbus Register Map 51 5 1 Basic Measurements 51 5 2 Energy Measurements 53 5 3 PQ Measurements 53 5 4 Harmonics Interharmonic Measurements 54 5...

Страница 7: ...peed Setpoints Setup 77 5 8 10 SDR Setup 78 5 8 11 Max Min Recorder MMR Setup 81 5 8 12 EN50160 Setup 83 5 8 13 Trend Log Setup 84 5 8 14 System Setup 84 5 9 Time Registers 85 5 10 Information 86 5 10...

Страница 8: ...n TEHD Total Even Harmonic Distortion U0 I0 Zero Sequence Voltage Current U1 I1 Positive Sequence Voltage Current U2 I2 Negative Sequence Voltage Current U0 I0 Unb Zero Sequence Voltage Current Unbala...

Страница 9: ...rt and compatible with PQ View software With these features the PMC 690 Power Quality Analyzer becomes the most advanced and convenient diagnostic tool at site Typical Applications PQ Check up at HV M...

Страница 10: ...togram and Phasor diagrams Statistical Trending Device Log Device configuration Diagnostics Metering Basic Measurements 1 second update 3 phase Voltage Current Power PF and Phase Angles kWh kvarh Impo...

Страница 11: ...e Waveform Recorder RMS Recorder and SOE Log Rapid Voltage Changes Detection of a quick transition in RMS voltage between two steady state Voltage conditions In rush Current Monitoring Monitoring of t...

Страница 12: ...able depth PQDIF file format downloadable via the USB port Device Log 1024 FIFO events time stamped to 1ms resolution On Off events Device events SOE Log 1024 FIFO entries time stamped to 1ms resoluti...

Страница 13: ...or Data transfer to USB storage device User friendly interface for transferring data waveform through USB port Time Synchronization Battery backed real time clock 6ppm 0 5s day Time Sync via Modbus SN...

Страница 14: ...t personnel that have the appropriate training and experience with high voltage and current devices The meter must be installed in accordance with all local and national electrical codes During the op...

Страница 15: ...3 Wire Delta Connection 3 Phase 4 Wire 2 5E 2PT Connection 3 Phase 4 Wire Wye Connection 2 3 1 Single Phase Connection Please consult the serial number label to ensure that the Voltage and Current in...

Страница 16: ...Figure 2 4 3 Phase 3 Wire Delta Connection 2 3 3 3 Phase 4 Wire 2 5E 2PT Connection Please consult the serial number label to ensure that the Voltage and Current input is less than or equal to the met...

Страница 17: ...100BaseT RJ45 Connector Pin Meaning 1 Transmit Data 2 Transmit Data 3 Receive Data 4 5 7 8 NC 6 Receive Data Table 2 1 RJ45 Connector Pin Description for 100BaseT Applications 2 5 Chassis Ground Wiri...

Страница 18: ...rements a numeric value if a parameter is already selected Pressing moves down the cursor or decrements a numeric value if a parameter is already selected Pressing moves the cursor to the left Pressin...

Страница 19: ...CET Electric Technology 19 3 2 Menu Tree The following figure illustrates menu tree of the Front Panel Figure 3 3 Menu Tree...

Страница 20: ...CET Electric Technology 20 3 3 Front Panel User Interface The following table provides an overview of this display hierarchy Category Topics Pages Metering Real Time PQ Insight Power Quality...

Страница 21: ...CET Electric Technology 21 Energy Demand Harmonics Spectrum Table Power...

Страница 22: ...CET Electric Technology 22 IH Spectrum IH Table Trend Trend SDR Trend Record SOE Log Device Log Event Summary EN50160...

Страница 23: ...CET Electric Technology 23 Max Min Setup Basic Device Storage...

Страница 24: ...CET Electric Technology 24 Advanced...

Страница 25: ...CET Electric Technology 25 Site New Site Switch Site Delete Site Rename Site Import Template Export Template...

Страница 26: ...CET Electric Technology 26 Monitoring History Table 3 2 Description of each Hierarchy...

Страница 27: ...easurements 4 1 3 Demands Demand is defined as the average power consumption over a fixed interval usually 15 minutes including present demand and predicted demand The predicted demand is typically us...

Страница 28: ...ncy Ua Ub Uc Deviation Uab Ubc Uca Deviation Ua Ub Uc Over Deviation Uab Ubc Uca Over Deviation Ua Ub Uc Under Deviation Uab Ubc Uca Under Deviation Freq Deviation U2 U0 Unbalance I2 I0 Unbalance Ia I...

Страница 29: ...becomes inactive An event will be generated and stored in the SOE Log The range of the Setpoint Inactive Delay is between 0 and 9999 seconds for Standard Setpoints and between 0 and 9999 cycles for H...

Страница 30: ...on as per below Freq Deviation f fnominal fnominal x 100 where fnominal is the Nominal Frequency 4 3 2 Magnitude of the Supply Voltage The measurement method of the Magnitude of the Supply Voltage par...

Страница 31: ...e between the beginning and the end of the Voltage Swell Table 4 8 Swell Evaluation Parameter 4 3 4 3 Sliding Reference Voltage Usr If a sliding reference is chosen for the detection of Voltage Dip or...

Страница 32: ...tage c The Dip Swell Return value should associate with Swell limit and Dip Limit Dip Swell return value actual value must be less than the Dip Swell limit Dip Swell of the absolute difference of the...

Страница 33: ...ion for Interruption Setpoint Parameter 4 3 6 Voltage Transients The PMC 690 provides the capability for detecting voltage transient disturbances using the sliding window method according to IEC 61000...

Страница 34: ...p measurement denoted Cng for Harmonics and Cn 200 ms for Interhamonics as per IEC 61000 4 7 2002 There are three methods to calculate the Harmonic Distortion HD a Fundamental Method Voltage Kth Harmo...

Страница 35: ...to IHD63 IH01 to IH63 RMS TIHD TOIHD TEIHD Phase Angle H01 to H63 Table 4 12 Voltage and Current Harmonics and Interharmonics Measurements 4 3 8 2 Power Harmonics The following table illustrates the...

Страница 36: ...of IEC 61000 4 30 Standard for Class A performance Each MSV WR will be recorded in SOE Log and EN50160 report The MSV provides the following setup parameters which can be programmed through the Front...

Страница 37: ...s a voltage dip or swell The characteristic parameter of the rapid voltage change is the difference between the steady state value reached after the change and the initial steady state value The PMC 6...

Страница 38: ...resents the Steady Voltage of Last Steady State Urate represents the Nominal Voltage UmaxChange is the Max Voltage Value during the whole Rapid Voltage Change duration UminChange is the Min Voltage Va...

Страница 39: ...ids counting a single event more than once in different parameters for example counting a single dip as both a dip and a frequency variation and indicates that an aggregated value might be unreliable...

Страница 40: ...d to read the Flagging Status register before reading the real time data Real time data includes Frequency Voltage Current Unbalance Harmonics and Interharmonics measurements 4 3 14 EN50160 Compliance...

Страница 41: ...be tolerated no interruption in function by most Information Technology Equipment ITE while SEMI F47 is specification for Semiconductor Processing Equipment Voltage Dip Immunity which specifies the re...

Страница 42: ...ff sites management and setup changes for the device as well as system operations while SOE Log consists of setpoints WFR and RMS Recorder Dip Swell Transient Inrush Current Rapid Voltage Changes and...

Страница 43: ...ing of the Max Min Log is only supported over communications Each Max Min Log provides the following setup parameters Parameters Value Self Read time A zero value means that the Self Read will take pl...

Страница 44: ...provides the following setup parameters Setup Parameters Value Option Default Consecutive Recording Depth 1 to 7 of Samples 0 16 Samples 640 Cycles 1 32 Samples 320 Cycles 2 64 Samples 160 Cycles 3 12...

Страница 45: ...e 4 13 Disturbance Waveform Recorder 4 4 8 RMS Log The PMC 690 s RMS Log can store up to 500 events for each monitoring site in its non volatile memory The RMS Log records RMS 1 2 cycle for parameters...

Страница 46: ...year and will not suffer any loss in the event of a power failure The PMC 690 can store following standard data with PQDIF format Parameter Description Sampling intervals Freq Freq 150 cycles Voltage...

Страница 47: ...2 3 Table 4 29 PQ Event Counter 4 5 Site Management and Monitoring The PMC 690 provides function of managing up to 8 sites that is capable of recording and saving a maximum of 50 monitoring records e...

Страница 48: ...ll start after 10s when Start Stop button is pressed End Mode Scheduled means that the monitoring will be ended at a specific time Manual means that the monitoring will stop when Start Stop button is...

Страница 49: ...a detailed description 4 7 Communication 4 7 1 Ethernet Port The PMC 690 comes standard with one 100BaseT TCP IP Ethernet port with RJ45 connector for connecting PC for firmware upgrade configuration...

Страница 50: ...20230414_071155 EN50160 PQDIF data site site n 20230414_071155 PQDIF PQDIF Internal DR data site site n 20230414_071155 pqdifStatRecord Site Events data site site n 20230414_071155 monitorEvent PQ Co...

Страница 51: ...modbus org 5 1 Basic Measurements Register Property Description Format Unit 0000 RO Uan1 Float V 0002 RO Ubn1 Float V 0004 RO Ucn1 Float V 0006 RO ULN Avg 1 Float V 0008 RO Uab Float V 0010 RO Ubc Fl...

Страница 52: ...49 RO Qualification Rate Pointer Reserved for English Version UINT32 0251 RO Reserved UINT32 Table 5 1 Basic Measurements Notes 1 When the Wiring Mode is Delta the per phase line to neutral voltages k...

Страница 53: ...is incremented by one for every WFR Log generated and will roll over to 0 if its current value is 0xFFFFFFFF A value of zero indicates that the device does not contain any WFR Log The depth of WFR Lo...

Страница 54: ...ctor Float 0818 RO Ic K Factor Float 0820 RO I4 K Factor Float 0822 RO Reserved Float 0824 RO Ia Crest Factor Float 0826 RO Ib Crest Factor Float 0828 RO Ic Crest Factor Float 0830 RO I4 Crest Factor...

Страница 55: ...RO I4 DC Distortion Float x100 1070 RO Reserved Float x100 1072 RO Ua WYE Uab Delta HD01 Float x100 1074 RO Ub WYE Ubc Delta HD01 Float x100 1076 RO Uc WYE Uca Delta HD01 Float x100 1078 RO U4 HD01 Fl...

Страница 56: ...V 2378 RO U4 H01 RMS Float V 2380 RO Ia H01 RMS Float A 2382 RO Ib H01 RMS Float A 2384 RO Ic H01 RMS Float A 2386 RO I4 H01 RMS Float A 2388 RO Reserved Float A RO 3488 RO Ua WYE Uab Delta H63 RMS Fl...

Страница 57: ...kWa H63 Float W 29530 RO kWb H63 Float W 29532 kWc H63 Float W 29534 RO kvara H63 Float var 29536 RO kvarb H63 Float var 29538 RO kvarc H63 Float var 29540 RO kVAa H63 Float VA 29542 RO kVAb H63 Float...

Страница 58: ...Table 5 12 Harmonic Energy Notes 1 The registers have a maximum value of 99 999 999 999 999 and will roll over to zero automatically when it is reached 5 4 7 Net Total Harmonic Energy Register Proper...

Страница 59: ...e phase voltage measurements in WYE mode and they will be automatically changed to line voltage measurements in Delta mode 5 4 9 Interharmonic Voltage Current RMS Register Property Description Format...

Страница 60: ...e 5 15 Interharmonics Voltage Current RMS 5 5 Demand 5 5 1 Present Demand Register Property Description Format Unit 3600 RO Ua1 Float V 3602 RO Ub1 Float V 3604 RO Uc1 Float V 3606 RO ULN Avg Float V...

Страница 61: ...Unbal Float 3722 RO I0 Unbal Float 3724 RO I2 Unbal Float 3726 RO Ia K Factor Float 3728 RO Ib K Factor Float 3730 RO Ic K Factor Float 3732 RO I4 K Factor Float 3734 RO Reserved Float 3736 RO Ua WYE...

Страница 62: ...RO kWc Exp 1 Float W 3944 RO kW Total Exp Float W 3946 RO kvara Imp 1 Float var 3948 RO kvarb Imp 1 Float var 3940 RO kvarc Imp 1 Float var 3952 RO kvar Total Imp Float var 3954 RO kvara Exp 1 Float v...

Страница 63: ...ax Demand of Last Time Notes 1 The following table illustrates Demand Data Structure Offset Description 0 High Year 2000 Low Month 1 High Day Low Hour 2 High Minute Low Second 3 Reserved 4 5 Record Va...

Страница 64: ...ore than 1024 events the latest event will replace the oldest event on a FIFO basis Offset Property Description Format Option 0 RO High order Byte Event Classification UINT16 RO Low order Byte Sub Cla...

Страница 65: ...d to 6 represents a 32 bit floating point numbers 5 6 4 MM Log Max Min Log 5 6 4 1 MM Log Buffer Register Property Description Format 22200 22306 RW Max Log 1 Buffer See Section 5 6 4 2 MM Log Buffer...

Страница 66: ...ormat 23600 RW Plt Log Pointer UINT32 23602 23611 RO Log n See Section 5 6 5 3 Pst Plt Log Data Structure 23612 23621 RO Log n 1 23692 23701 RO Log n 9 Writing n to the Plt Log Pointer register will u...

Страница 67: ...n user defined narrow limit 24256 RO Ub Mag N1 UINT32 24258 RO Uc Mag N1 UINT32 24260 RO Ua Mag 1 N1 N Float 24262 RO Ub Mag 1 N1 N Float 24264 RO Uc Mag 1 N1 N Float 24266 RO Ua mean Max Float Max of...

Страница 68: ...RO UINT32 24700 RO H25 Conclusion UINT32 24702 RO Ua H25 N1 UINT32 24704 RO Ub H25 N1 UINT32 24706 RO Uc H25 N1 UINT32 24708 RO Ua H25 1 N1 N Float 24710 RO Ub H25 1 N1 N Float 24712 RO Uc H25 1 N1 N...

Страница 69: ...RO Float 25540 RO Ua IH25 Max Float 25542 RO Ub IH25 Max Float 25544 RO Uc IH25 Max Float 25546 25550 RO Reserved Float 25552 RO Ua IH01 Min Float 25554 RO Ub IH01 Min Float 25556 RO Uc IH01 Min Float...

Страница 70: ...RO Ua MSV2 CP95 Float 26106 RO Ub MSV2 CP95 Float 26108 RO Uc MSV2 CP95 Float 26110 RO Ua MSV3 CP95 Float 26112 RO Ub MSV3 CP95 Float 26114 RO Uc MSV3 CP95 Float 26116 RO Ua RVC N1 Reserved RVC counte...

Страница 71: ...er with a Log Record at the pointer position Table 5 37 EN50160 Log Notes 1 Nxx have following definitions Swell t indicates Duration while u indicates Residual Voltage Counter 10ms t 500ms 500ms t 50...

Страница 72: ...2 Default 192 168 101 2 40067 RW SNTP Sync Interval UINT16 1 to 1440 min Default 60 40068 RW Reserved UINT16 Default Table 5 42 Communication Setup Parameters Notes 1 If the IP Address is 192 168 0 10...

Страница 73: ...hod c KVA KVA KVA KVA b a total 5 8 3 SMTP Setup Register Property Description Format Range Options 40900 RW SMTP Event Classification1 Bitmap Note 1 40902 RW SMTP IP Port UINT16 1 to 65535 Default 25...

Страница 74: ...s 00 00 at the end of the string are the string terminator 5 8 4 PQ Setup Register Property Description Format Note 41100 RW Dip Swell Enable1 UINT16 0 Disabled 1 Enabled 41101 RW Dip Swell Voltage Re...

Страница 75: ...ues should be configured to meet the following criteria a The Voltage Interruption Threshold shall not be set below Dip Limit b The Swell Limit and Dip Limit should associate with Voltage Rapid Change...

Страница 76: ...escription Format Range Option 41300 RW Pre fault Cycles1 UINT16 2 to 384 16 Samples 640 Cycles 2 to 192 32 Samples 320 Cycles 2 to 96 64 Samples 160 Cycles 2 to 48 128 Samples 80 Cycles 2 to 24 256 S...

Страница 77: ...TH RMS 0x0002xxxx U HD02 15 U Fundamental 39 I TOH RMS U HD03 HD62 16 I Fundamental 40 I TEH RMS 0x003fxxxx U HD63 17 U Deviation 41 U TIH RMS 0x0081xxxx U IHD01 18 U Over Deviation 42 U TOIH RMS U IH...

Страница 78: ...6 I4 TIHD 12742 45914 RW Parameter 12 UINT16 Ua Uab TOIHD 12731 45915 RW Parameter 13 UINT16 Ub Ubc TOIHD 12732 45916 RW Parameter 14 UINT16 Uc Uca TOIHD 12733 45917 RW Parameter 15 UINT16 U4 TOIHD 12...

Страница 79: ...27 RW Parameter 25 UINT16 Ua HD06 10524 46028 RW Parameter 26 UINT16 Ub HD06 10525 46029 RW Parameter 27 UINT16 Uc HD06 10526 46030 RW Parameter 28 UINT16 U4 HD06 10527 46031 RW Parameter 29 UINT16 Ua...

Страница 80: ...0 10581 46121 RW Parameter 19 UINT16 Uc HD20 10582 46122 RW Parameter 20 UINT16 U4 HD20 10583 46123 RW Parameter 21 UINT16 Ua HD21 10584 46124 RW Parameter 22 UINT16 Ub HD21 10585 46125 RW Parameter 2...

Страница 81: ...UINT16 kvar Total 10024 48914 49315 RW Parameter 13 UINT16 kVA Total 10028 48915 49316 RW Parameter 14 UINT16 P F Total 10032 48916 49317 RW Parameter 15 UINT16 Ua Pst 50001 48917 49318 RW Parameter...

Страница 82: ...04 49504 RW Parameter 3 UINT16 U0 10059 49105 49505 RW Parameter 4 UINT16 I1 10064 49106 49506 RW Parameter 5 UINT16 I2 10063 49107 49507 RW Parameter 6 UINT16 I0 10062 49108 49508 RW Parameter 7 UINT...

Страница 83: ...t LV 0 95 MV HV 0 99 49820 RW Voltage positive deviation narrow limit Float 1 1 49822 RW Voltage negative deviation narrow limit Float 0 9 49824 RW Flicker tolerance Float 0 95 49826 RW Flicker limit...

Страница 84: ...perty Description Format Range Options Default 40800 RW Clock Source1 UINT16 0 RTC 1 SNTP 0 40801 RW Time Zone2 UINT16 0 to 32 26 40802 RW Reserved UINT16 40803 RW Language UINT16 0 English 0 40804 RW...

Страница 85: ...BIT2 PQDIF Timestamp of PQDIF file file name and store directory Table 5 67 Timestamp of Historical Data 3 0 means the DWR file doesn t involve sampling section information 5 9 Time Registers There a...

Страница 86: ...30709 means July 9 2013 60225 9825 RO PPC Firmware Update Date Month UINT16 60226 9826 RO PPC Firmware Update Date Day UINT16 60227 9827 Serial Number AA Year 2000 BB Month CC Lot Number DDDD Meter Nu...

Страница 87: ...Circuit Tag Information Register Property Description Format Note 52000 RW Circuit Name Char 60 characters 52008 RW Bus Name Char 60 characters 52038 RW Monitoring Name Char 60 characters 52068 RW Mon...

Страница 88: ...027 20027 30027 kVAc 28 10028 20028 30028 kVA Total 29 10029 20029 30029 PFa 30 10030 20030 30030 PFb 31 10031 20031 30031 PFc 32 10032 20032 30032 PF Avg 33 10033 20033 30033 Ua Dev 34 10034 20034 30...

Страница 89: ...88 I4 Crest Factor 89 10089 20089 30089 Reserved 90 10090 20090 30090 Ua Crest Factor 91 10091 20091 30091 Ub Crest Factor 92 10092 20092 30092 Uc Crest Factor 93 10093 20093 30093 U4 Crest Factor 94...

Страница 90: ...757 30757 Ib HD00 758 10758 20758 30758 Ic HD00 759 10759 20759 30759 I4 HD00 760 10760 20760 30760 Reserved 761 10761 20761 30761 Ia HD01 762 10762 20762 30762 Ib HD01 763 10763 20763 30763 Ic HD01 7...

Страница 91: ...356 21356 31356 Ub H63 RMS 1357 11357 21357 31357 Uc H63 RMS 1358 11358 21358 31358 U4 H63 RMS 1359 11359 21359 31359 Ia DC Component 1360 11360 21360 31360 Ib DC Component 1361 11361 21361 31361 Ic D...

Страница 92: ...11717 21717 31717 kVA Total TH 1718 11718 21718 31718 PF Avg TH 1719 11719 21719 31719 kW Total Fund 1720 11720 21720 31720 kvar Total Fund 1721 11721 21721 31721 kVA Total Fund 1722 11722 21722 3172...

Страница 93: ...32733 Uc TOIHD 2734 12734 22734 32734 U4 TOIHD 2735 12735 22735 32735 Ua TEIHD 2736 12736 22736 32736 Ub TEIHD 2737 12737 22737 32737 Uc TEIHD 2738 12738 22738 32738 U4 TEIHD 2739 12739 22739 32739 I...

Страница 94: ...Reserved 3347 13347 23347 33347 Ia TOIH RMS 3348 13348 23348 33348 Ib TOIH RMS 3349 13349 23349 33349 Ic TOIH RMS 3350 13350 23350 33350 I4 TOIH RMS 3351 13351 23351 33351 Reserved 3352 13352 23352 33...

Страница 95: ...ngle 4193 14193 24193 34193 U4 H63 Angle 4194 14194 24194 34194 Ia Fund Angle 4195 14195 24195 34195 Ib Fund Angle 4196 14196 24196 34196 Ic Fund Angle 4197 14197 24197 34197 I4 Fund Angle 4198 14198...

Страница 96: ...ved 51103 Reserved 51034 kVAc 51069 Ua THD 51104 Reserved 51035 kVA Total 51070 Ub THD 51071 Predicted Demand 52001 Ua Pred 52015 Reserved 52029 kvarb Exp Pred 52002 Ub Pred 52016 kWa Imp Pred 52030 k...

Страница 97: ...rameters FP32 The Setpoint Active Inactive limit be consistent with real time limit UINT32 Setpoint X 0 23 1 Over Setpoint Return UINT32 Setpoint Parameters FP32 The Setpoint Active Inactive limit be...

Страница 98: ...red by Standard Setpoint UNIT32 Standard Setpoint Number 4 RMS Record Triggered by High speed Setpoint UNIT32 HS Setpoint Number 5 Reserved 6 RMS Record Triggered by Rapid Voltage Changes None 7 Manua...

Страница 99: ...ive FP32 Frequency Hz uint32 Phase Bit0 Phase A Bit1 Phase B Bit2 Phase C Bit3 AB Bit4 BC Bit 5 CA 1 MSV 1 Inactive FP32 Frequency Hz FP32 Ua MSV Max FP32 Ub MSV Max FP32 Uc MSV Max 2 MSV 2 Active FP3...

Страница 100: ...000A 1 50A 1 30 000A 1 50A Power Supply L N G Power Adaptor Rated Output Burden Battery Capacity Battery Life Charge Time 100 240VAC 10 47 63 Hz 12VDC 3A Eff 75 2 5W 7 2V 4400mAh Lithium 8 hours Back...

Страница 101: ...amps Accuracy 0 001kX kWh kVAh IEC 62053 22 Class 0 5S 0 1kXh kvar 0 2 CT Clamps Accuracy 0 001kvar kvarh IEC 62053 23 Class 2 0 1kvarh P F 0 5 0 001 Frequency 0 005 Hz 0 001Hz Harmonics IEC 61000 4 7...

Страница 102: ...0 4 8 2009 Level IV Oscillatory Waves IEC 61000 4 12 2006 Level III Voltage Dips Short Interruptions Voltage Variation IEC 61000 4 11 2004 Emission Tests Limits and methods of measurement of electroma...

Страница 103: ...gy 103 Contact us CET Inc 8 F Westside Building 201 Terra Industrial Tradepark Che Gong Miao Shenzhen Guangdong P R China 518040 Tel 86 755 8341 5187 Fax 86 755 8341 0291 Email sales cet global com We...

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