EL9184

EL9184 高次諧波的危害

1）使電網中的元件產生附加的諧波損耗，降低發電、輸電及用電設備的效率，大量的3次諧波流過中性線會使線路過熱甚至發生火災；

2）影響各種電器設備的正常工作，使電機發生機械振動、噪聲和過熱，使變壓器局部嚴重過熱，使電容器、電纜等設備過熱，使絕緣老化，壽命縮短以至損壞；

3）引起電網中局部的并聯諧振和串聯諧振，從而使諧波放大，引起嚴重事故；

4）對鄰近的通信系統產生干擾，輕者產生噪聲，降低通信質量，重者導致信息丟失，使通信系統無法正常工作；

5）導致繼電保護和自動裝置的誤動作，并使電氣測量儀表計量不準確。

DAYTON EXHAUST VENTILATOR 13-1/4" 115/208-230V 164953低價,歡迎來電!

DAYTON 48" EXHAUST FAN DIRECT DRIVE 152600低價,歡迎來電!

HONEYWELL Q7000A1003 COMMUNICATION MODULE 34347低價,歡迎來電!

RHEEM ELDS30-B 30 GALLON WATER HEATER 54914低價,歡迎來電!

JACUZZI H265969 60" OYSTER WHIRLPOOL/5 JETS 160613低價,歡迎來電!

JACUZZI E960959 FIBERGLASS DROP-IN TUB 160652低價,歡迎來電!

DAYTON 48" MOBILE AIR CIRCULATOR FAN/DIRECT DRIVE低價,歡迎來電!

COMDIAL DXPCO-DD8 DXP CO CARD 149314低價,歡迎來電!

JACUZZI K643969 72" OYSTER FIBERGLASS BATH 160484低價,歡迎來電!

MAAX/AKER SBF-3660 WHITE RIGHT HAND BODYWRAP TUB 156494低價,歡迎來電!

BLACK BOX MEM1760-64U160D 96MB DRAM MEMORY MODULE低價,歡迎來電!

PERRIN & ROWE U.3531X-PN EXPOSED TUB/SHOWER MIXER VALVE低價,歡迎來電!

ALCO POS450H1 45TON PILOT OPERATED TXV VALVE R-22 69497低價,歡迎來電!

ALOYCO 2317 3" GLOBE VALVE 160825低價,歡迎來電!

UNITED RECEPTACLE MH18SQPLBK SQUARE WASTE RECEPTACLE低價,歡迎來電!

WESTWARD ROLLING TOOL CABINET/12 DRAWERS 152306低價,歡迎來電!

DAYTON 36" COMMERCIAL 1/2 HP AIR CANNON FAN 162543低價,歡迎來電!

JACUZZI B690959 72" WHITE WHIRLPOOL BATH 160678低價,歡迎來電!

DAYTON 24" CABINET EXHAUST FAN 115/208-230V 159506低價,歡迎來電!

BLACK BOX IC256A 5250 STAR REPEATER, 14 PORT 163373低價,歡迎來電!

SUNROC SRF-3800-01 WALL MOUNTED DUAL WATER COOLER低價,歡迎來電!

US ELECTRIC S574 7.5 HP MOTOR 208-230/460 VOLT 1180 RPM低價,歡迎來電!

WESTERN ANALYTICAL 0011522 MOTORIZED ELECTRIC VALVE低價,歡迎來電!

DAYTON EXHAUST VENTILATOR/ CENTRIFUGAL DOWNBLAST 160093低價,歡迎來電!

BRINKMAN LAB. SYSTEMS 015677104 SAFETY SHIELD 145858低價,歡迎來電!

RHEEM RGLR-12NARMR 125,000 BTU 2-STAGE 80% GAS FURNACE低價,歡迎來電!

WEATHERKING 14AJL42A01 3.5TON SS AIR CONDITIONER R-410A低價,歡迎來電!

THERMO SCIENCE GENERAL PURPOSE WATER BATH 146127低價,歡迎來電!

CARRIER 32GA680902 PNEUMATIC CONTROL CONVERSION KIT低價,歡迎來電!

DAYTON 1/2HP SUPPLY VENTILATOR 1750 RPM 115/230V 161703低價,歡迎來電!

JACUZZI K618959 72" WHITE FIBERGLASS BATH 160485低價,歡迎來電!

WINSMITH 935MDSN* 15:1 METRIC SPEED REDUCER 65251低價,歡迎來電!

YORK B1HA036A46 3T ROOFTOP AIR CONDITIONER 149899低價,歡迎來電!

MI-T-M GA-2703-8MHB 2700 PSI COLD WATER PRESSURE WASHE低價,歡迎來電!

WATTS 0111718 DOUBLE CHECK VALVE ASSEMBLY 145809低價,歡迎來電!

BRISTOL H29B35UDBVA 3 TON AC/HP HERMETIC COMPRESSOR低價,歡迎來電!

COPELAND ZR11M3-TWD-970 9 TON AC/HP SCROLL COMPRESSOR低價,歡迎來電!

WESTWARD 12 DRAWER TOOL CART / BLACK 156184低價,歡迎來電!

WEG 03018OP3E286T 30 HP EFFICIENT MOTOR 146641低價,歡迎來電!

WINSMITH 943MWN* 10:1 METRIC SPPED REDUCER 172 RPM 6437低價,歡迎來電!

DAYTON 21 1/4" CENTRIFUGAL UPBLAST EXHAUST VENT 16931低價,歡迎來電!

WINSMITH 943MWN20LR100-R?14 SPEED REDUCER 20:1 75996低價,歡迎來電!

US ELECTRIC R347 15 HP MOTOR 230/460 VOLT-3490 RPM低價,歡迎來電!

BERKTEK ICP004CB3510/15?-7140 PLENUM 7140' CABLE 143746低價,歡迎來電!

MAAX/AKER CT6060WH GELCOAT WHITE SOAKER CORNER TUB ONLY低價,歡迎來電!

TRANE TDD1B060A9H31B 60000 DOWN/HORIZ GAS FURNACE 80%低價,歡迎來電!

LAU BLA25-25H1.69BH?DPB 1 3/4"SHAFT BLOWER HOUSING/WHEEL低價,歡迎來電!

CARRIER REZ-102289 HEAT EXCHANGER FOR REZNOR 161615低價,歡迎來電!

TRANE TDD1B060A9H31B 60,000 DOWN/HORIZ 80% GAS FURNACE低價,歡迎來電!

THERMO SCI 65 BRAIDED PLATINUM-CURED SILICONE TUBING低價,歡迎來電!

ICP BHH048M5A 4T HORIZONTAL BELT DRIVE FAN COIL 3-PHASE低價,歡迎來電!

FLOWSERVE TUNGSTEN CARBIDE A SEAL RING 89062低價,歡迎來電!

EMERSON R722 7.5 HP ELECTRIC MOTOR 230/460VOLT 78543低價,歡迎來電!

DAYTON R6067528017 25 HP ELECTRIC MOTOR 1755 RPM 51226低價,歡迎來電!

RINNAI RHFE-556FA-III-?NG 21,500 BTU 80% WALL FURNACE低價,歡迎來電!

REZNOR HMA200AL42HTSE2?N 200,000 BTU DUCT FURNACE TUBES 低價,歡迎來電!

CM 4626 MANUAL HOIST 162678低價,歡迎來電!

DAYTON 6K628BA 10 HP MOTOR 230 VOLT 67138低價,歡迎來電!

MAAX/AKER SBF-3660WHIRHHM?S WHIRLPOOL BATH TUB W/PUMP低價,歡迎來電!

RHEEM ELD52-B 50 GAL ELECTRIC WATER HEATER 6000W 49946低價,歡迎來電!

NIBCO LCS7822-3-4 4"HP BUTTERFLY VALVE 3/4"FLARE 160844低價,歡迎來電!

KOHLER K-1148-96 42x72 BISCUIT OVAL WHIRLPOOL BATH低價,歡迎來電!

GOODMAN PGB048150-3-WAR?R 4 TON ROOFTOP AIR CONDITIONER低價,歡迎來電!

BLACK BOX LCL931A FIBRE CHANNEL CARD 153370低價,歡迎來電!

EAGLE CRA-47 SAFETY CABINET/45 GALLONS/2-SHELV?ES 157492低價,歡迎來電!

BLACK BOX MX9070 8 CHANNEL STATISTICAL MULTIPLEXER低價,歡迎來電!

BLACK BOXMT313AS T1 REPEATER - 2 PORT 145028 低價,歡迎來電!

APC AP9604 SMARTSLOT TRIPLE CHASSIS EXPANSION MODULE低價,歡迎來電!

DAYTON 20 HP MOTOR 208-230/460 VOLTS 1760 RPM 159224低價,歡迎來電!

DAYTON EXHAUST FAN 34x34x20/6 BLADE 70436低價,歡迎來電!

DAYTON EXHAUST FAN 34x34x20/6 BLADE #07H04275低價,歡迎來電!

DAYTON EXHAUST FAN 34x34x20 #1164120 0910低價,歡迎來電!

DAYTON EXHAUST FAN 34x34x20 #117432400905低價,歡迎來電!

DAYTON EXHAUST FAN 34x34x20 #117593180905低價,歡迎來電!

DAYTON EXHAUST FAN 34x34x20 #118116320907低價,歡迎來電!

DAYTON EXHAUST FAN 34x34x20 #11838947 0908低價,歡迎來電!

DAYTON EXHAUST FAN 34x34x20 #118389480908低價,歡迎來電!

DURAMETALLIC KU3N3250AA3 CARBIDE 62-6 SEAL RING 87392低價,歡迎來電!

EMI SHC12DAA000AA0A 1 TON MINI SPLIT HEAT PUMP 56189低價,歡迎來電!

LR5100A-T-56K 5100 SERIES 10BASET ROUTER 149777低價,歡迎來電!

LAMARCHE A37-15-48V-A1 POWER SUPPLY RECTIFIER 149792低價,歡迎來電!

BLACK BOX EB-LB0098A 4-PORT FRAME-RELAY SWITCH 155139低價,歡迎來電!

DAYTON 18" INDUSTRIAL CIRCULATOR FAN 146576低價,歡迎來電!

DAYTON HORIZONTAL BAND SAW 11.5" WHEEL 1 HP 11564低價,歡迎來電!

WATTS 919QT REDUCED PRESSURE ZONE ASSEMBLY 160115低價,歡迎來電!

ADVANCED TABCO 4-3-36 SINGLE STATION SCULLERY SINK低價,歡迎來電!

PANDUIT MEM-NPE-64MB 64MB RAM MEMORY MODULE 153832低價,歡迎來電!

DAYTON 5TR71F 36" CONE EXHAUST FAN 164971低價,歡迎來電!

BLACK BOX CL216AE MULTI-CHANNEL CONVERTER 159854低價,歡迎來電!

DAYTON EXHAUST VENTILATOR/CENT?RIFUGAL UPBLAST 160091低價,歡迎來電!

INGERSOLL-RAND 666101-2EB DIAPHRAM PUMP 153267低價,歡迎來電!

DAYTON EXHAUST VENTILATOR/DOWN?BLAST ASSEMBLED 161007低價,歡迎來電!

MINUTEMAN 490007 TOOL KIT ACCESSORIES WET/DRY VACUUM低價,歡迎來電!

BLACK BOX MT102A-R2 SUPER DSU 156971低價,歡迎來電!

BLACK BOX LH1103A-LH SUPER TWISTER MEDIA CONVERTER低價,歡迎來電!

MITSUBISHI MUZ12UN 1 TON SPLIT SYSTEM HEAT PUMP 67711低價,歡迎來電!

EPPENDORF NORTH AMERICA 054063 FIXED-ANGLE ROTOR 146164低價,歡迎來電!

BLACK BOX LE2123A-R2 10BASE-T/10BASE?-FL CONVERTER低價,歡迎來電!

HALSEY TAYLOR HVR8BL-CHILD-AD?A DRINKING FOUNTAIN 160598低價,歡迎來電!

ELKAY DLRQ332210-3 STAINLESS STEEL SINK 156485低價,歡迎來電!

COZY DVCF654B-H 50,000 BTU WALL FURNACE 156187低價,歡迎來電!

DAYTON EXHAUST VENTILATOR 1/4 HP 161025低價,歡迎來電!

THERMO SCIENTIFIC EME30500/E 3 POLE COMBO MANTLE 146083低價,歡迎來電!

PARADYNE MOCM228245 COMSPHERE 3910 159735低價,歡迎來電!

BLACK BOX ACS236A STANDALONE KVM EXTENDER 162926低價,歡迎來電!

BLACK BOX LRA6001A SERVER, NETREADY, 56K 154162低價,歡迎來電!

RUUD UBHK-24J18SFA 4/5T FANCOIL ELECTRIC FURNACE 151410低價,歡迎來電!

DAYTON BAND SAW 14 5/8" 4-SPEEDS 115/230V 78020低價,歡迎來電!

RHEEM RXHM-AB76H SINGLE STAGE MIXING BOX AIR ECONOMIZER低價,歡迎來電!

BERK-TEK ICP004CB3510/15?-6610 PLENUM 6610' CABLE 143740低價,歡迎來電!

BLACK BOX MOCM228726 PRIVATE LINE MODEM 159734低價,歡迎來電!

ELKAY EZSTL8C DOUBLE WATER CHILLER 160628低價,歡迎來電!

WEATHERKING 90RS12EHS01278 108,000BTU 93.5% GAS FURNACE低價,歡迎來電!

FRIEDRICH SM21L30 20600 WINDOW AIR CONDITIONER 9.9SEER低價,歡迎來電!

DAYTON 1/4 HP EXHAUST VENTILATOR 115 VOLTS 160315低價,歡迎來電!

KOHLER K-1114-0 72x42 KOHLER FIBERGLASS BATH 160580低價,歡迎來電!

CARRIER 17P52214A IMPELLER PACKAGE PART 150145低價,歡迎來電!

BRIDGE/ROUTER 5200 SERIES LR5200A# 153224低價,歡迎來電!

JACUZZI N855969 19x43 OVAL FIBERGLASS SOAKER TUB 160321低價,歡迎來電!

BLACK BOX KVT201A# 15" LCD CONSOLE 162732低價,歡迎來電!

BLACK BOX MX255A# UNIT IS AN INTEGRATION MULTIPLEXER低價,歡迎來電!

WINSMITH 930MDSN10DLR100?B1428 METRIC SPEED REDUCER 10:1低價,歡迎來電!

WINSMITH 930MDSNDLR132-B?1428 METRIC SPEED REDUCER 5:1低價,歡迎來電!

WINSMITH 930MDSN15DLR100?-B528 METRIC SPEED REDUCER 15:1低價,歡迎來電!

CANOGA PERKINS 3240-10-T1X-000 INTERFACE 153141低價,歡迎來電!

AMTROL WX451 WATER TANK / 158 GALLON 163887低價,歡迎來電!

RAD SPD-703-1 CO-DIRECTIONAL RATE/INTERFACE CONVERTER低價,歡迎來電!

BLACK BOX EXN15036A-0500 36-FIBER/OPTIC CABLE 500'低價,歡迎來電!

BLACK BOX RM261C-SNMP-186 SNMP/HTTP CARD 145061低價,歡迎來電!

NORCO 36TWRA-3 3 TON THRU THE WALL SS AIR CONDITIONER低價,歡迎來電!

POLAIR PRCU363-2 3 TON THRU THE WALL SS AIR CONDITIONER低價,歡迎來電!

NORDYNE FG6RL060C-12A 60,000 BTU 90% AFUE GAS FURNACE低價,歡迎來電!

BLACK BOX SM724C-189 REAR INTERFACE SWITCH CARD 145064低價,歡迎來電!

BLACK BOX LR0030AE-KIT E1 NETWORK EXTENDER FOR UK低價,歡迎來電!

DAYTON 24" EXHAUST FAN 1-PHASE 766 WATTS 3/4 HP 35272低價,歡迎來電!

BLACK BOX 525073-3F-M6 NETWORK CABINET/GRAY 159876低價,歡迎來電!