下表所示是電源模塊常用的一些關(guān)鍵元器件的降額參數(shù)要求：對于電源模塊的應力設(shè)計，重點關(guān)注場效應管(MOS管)、二極管、變壓器、功率電感、電解電容、限流電阻等。保證全電壓范圍內(nèi)在穩(wěn)態(tài)、瞬態(tài)、短路等各種極限條件下都能有足夠的降額，以保障產(chǎn)品的可靠性。對于某Vds電壓為100V的MOS管，作為電源模塊的主功率開關(guān)管，實測其在輸入電壓下的各種狀態(tài)(如～3所示)，Vds=67.2V，降額因子0.672，滿足Ⅰ級降額，余量很充足。
PEPPERL+ FUCHS 084199 INDUCTIVE PROXIMITY SWITCH NBB10-30GM50-E2-V1
MELTRIC 17-64191-A188 RECEPTACLE CONNECTOR 15A 19P+G DN20C
ABB 3HAB8101-8/14C DRIVE UNIT GT TYPE DSQC 346G INMOTION
SEALED STEARNS 5-66-8756-00 HOUSING AND RELEASE KNOB KIT
ALLEN BRADLEY 2098-DSD-030 /A ULTRA 3000 SERVO DRIVE SERIES A
FANUC A660-4003-T028 CABLE A6604003T028
NUMATICS 051BA400M011B61 SOLENOID VALVE
PILZ PSS1 DI2O T EIN-AUSGABE OUTPUT MODULE 16E+16A 24VDC 302112
BEDFORD BI315F INDUSTRIAL SPOOL TIE OFF BI31SF
METTLER TOLEDO 61037728 FLEXMOUNT SCALE WEIGH MODULE 0972 SS 100KG 3X
ASCO JBEF8210G2 SOLENOID SHUTOFF VALVE 1/2"
ABB 1SFA894004R7000 SOFT START MOTOR PST44-600-70
FERRAZ SHAWMUT HADB8 NFPA79 HANDLE KIT FOR SCV60-400 F
SCHRADER BELLOWS 3532-0201 INTERRNAL AUTODRAIN CONVERSION
FANUC A02B-0162-B516 15-MB RACK ENCLOSURE
THOMAS & BETTS RED DOT VXWG-11-C VAPORTIGHT LIGHT 1/2 BOX GLASS GLOBE
APPLIED ROBOTICS 0509-D42A FIRMWARE O3EM-R-E-DN-S1353
ALLEN BRADLEY 42EF-P2JBB-A2 SER. A POLARIZED RETROFLECTIVE SENSOR
BALLUFF BNI005P NETWORK INTERFACE IOL-104-S01-Z012-C02
HONEYWELL DC300E-E-000-10-0000-0 PROCESS CONTROLLER UDC3000 VERSA-PRO
HONEYWELL DC200E-2-00F-100000-0 UDC2000 MINI-PRO UNIVERSAL DIGITAL CONTROLLER
OMRON S82K-01524 POWER SUPPLY
ALLEN BRADLEY 1756-OF4 A ANALOG OUTPUT MODULE SER A 1756-OF4
VICKERS DG4V-3S-2C-M-FTWL-B5-60 SOLENOID VALVE 02-109820 W/2 02-101731
AUTOMATION DIRECT D3-DSCBL-1 PROGRAMMING CABLE
NATIONAL INSTRUMENTS CFP-AI-110 INPUT MODULE 8 CHANNEL 16-BIT ANALOG
MILLER H72R9N STROKE AIR PNEUMATIC CYLINDER
ALLEN BRADLEY 1492-L4-BL TERMINAL BLOCKS BLACK LOT OF 50 1492-L4
BANNER SLSR30-900Q8 EZ-SCREEN LIGHT CURTAIN RECEIVER
HONEYWELL LEEDS-NORTHRUP 056521 DIGITAL INPUT MODULE 120V-AC REV B/C
HPI P2DBN018CU DOUBLE PNEUMATIC PUMP 90766842 2018CL10C02
NORGREN R40-205-BNLA INTEGRAL PILOT and R18-C05-RGLA PRESSURE REGULATOR
GE A19015AB1AD1 RECTIFIER STACK W/A190AX15 8539 ****READ****
VICKERS DG4V-3S-2C-M-U-B5-60 VALVE 02-109686 2 02-101728 100 BAR 1450 PSI
SEALED WIX 57095 PREMIUM HYDRAULIC FILTER
SMC MKB40-10LZ ROTARY CLAMP CYLINDER MK11B16
TURCK NI8-M18-AD4X-H1141 PROXIMITY SWITCH 10-65VDC 100mA 8MM
BALDOR KM3003 MOTOR 025 HP 1725 RPM HZ
CASH ACME TYPE B PRESSURE REGULATING VALVE 1/2" 200PSI
SPIRAX SARCO AE30 AUTOMATIC AIR ELIMINATOR, DN15 1/2" PN10
PETER PAUL 71Z0058NCV SOLENOID VALVE 24V 16W
SEALED GATES 8MX-42S-36 2012 POLYCHAIN GT2 SPROCKET 77183042 8MX42S36
ALLEN BRADLEY CE 1500H WITH 2711P-RP1 SER C REV A VERSAVIEW
FESTO PEN-M5 PNEUMATIC/ELECTRIC DIFFERENTIAL PRESSURE SWITCH
ROSEMOUNT 3051 CD2A02A1AH2B104 TRANSMITTER WITH BRACKET
ASCO EF8300D76F SOLENOID VALVE 1/2"
ALLEN BRADLEY 144962 REV 02 MAIN CONTROL 1396142442 142442 M006188
METTLER TOLEDO L-PB-H-3L-KF LOAD CELL
VICKERS F3RCT-03-D1-22 PRESSURE CONTROL VALVE MAX 1000 F3RCT03D122
LOT OF 2 NTN 51204 THRUST BALL BEARINGS
MKS BARATRON 220BHS-2B1B-10 PRESSURE TRANSDUCER
MOTION CONTROLS D30SENC SL 1.5 RA1 PNEUMATIC CYLINDER
SMC VVFS3000-22A-1 SOLENOID VALVE WITH VFS3600-3FZ-03T
INDRAMAT KDS KDS 1.1-150-300-W1 AC SERVO CONTROLLER
SEALED BOX OF 6 BURNDY KPU29A26AC INSULATED GUTTER TAP
IDEC GT3D-2AF20 ELECTRONIC TIMER 30VDC 3A 250VAC AC100-240V
IN BOX WESTINGHOUSE 370B950G01 PILOT LIGHT TRANSFORMER
LIN-ACT H40F-2.00X16.000-3-U-SP ENVELOPE PRESSURE CYLINDER
ALLEN-BRADLEY 42SML-7100-QD PHOTOSWITCH 11-28VDC 1.2W SER B 42SML7100QD
LOT OF 2 TELEMECANIQUE LX1D2F7 COIL 110V 50/60Hz, LX1-D2F7
DANAHER CONTROLS MU115-D1 COUNTER MODULE HG-A115-D100 C916279
ALLEN BRADLEY 160-BA04NSF1P1 SPEED CONTROLLER SER C
EUCHNER TZ1LE024RC18VAB-C1826 SAFETY SWITCH TZ1LE024RC18VAB
HONEYELL EZTREND V5 CHART RECORDER TVEZ-4-0-0-000-0-0U0000-00
LOT OF 7 OPTO 22 MP120D4 MP SERIES SOLID STATE RELAYS
WEIDMULLER CP-SNT 12W CONNECTPOWER 991884 0024
ALLEN BRADLEY 100-C12ZJ10 SERIES A 24V DC COIL 100-C12Z*10
SIEMENS 6SC9811-4CH00 CONTROL BOARD 6SC98114CH00
OHIO LUMEX 163733 SORBENT TRAP
SIEMENS AMS-M350 AGIEMATIC CONTROL BOARD AMS-M350-A101 C8117-A694-A4-2
SIEMENS 5SY4 310-7 CIRCUIT BREAKER MCB C10 3 P 400V
IN BOX HEVI-DUTY 338H-SZ0 INDUSTRIAL CONTROL TRANSFORMER SZ0
GOYEN 4B6M-BUBNA-6281 COIL 110V 50HZ 120V 60HZ
LOT OF 6 BUSSMANN CHM 32A 690V FUSE HOLDERS 10X38
TURCK INTERLINK BT CDN-SM-0020 BUS STOP MODULE
ALLEN BRADLEY 2711-M3A19L1 PANELVIEW 300 MICRO KEYPAD MEMBRANE
FANUC A16B-2200-0350/05A PC BOARD
LITTELFUSE FUSE BLOCK LFH250301C
GARDNER DENVER FHP14BE AIR COMPRESSOR FILTER
HORIUCHI MACHINERY HYDRAULIC CYLINDER C6R-SB 1SA63B140N25
PEPPERL + FUCHS WE77/EX-4UG RELAY TRANSFORMER ISOLATED BARRIER 110/120VAC
SEALED IN BOX SQUARE D SOM-222 AC OUTPUT MODULE 120/240V 8884
BOX OF 18 PARKER 6C3MXS TRIPLE LOK MALE ELBOW BSPT
LOT OF 3 BURNDY KPC29A CABLE RANGE
PHOTOCRAFT MB-UB3 CONVEYOR PARTS FOR RH ENCODER
GAM EPL SERIES EPL-W118-010G-115-C041, EPL-W-118-010G, 700788, RATIO 10:1
據(jù)服務路上的幾個坑
河南洛陽6ES7952-1KK00-0AA0質(zhì)量怎么樣6ES7952-1KK00-0AA0工廠配置
日前，鴻海與軟銀、阿里巴巴合作推出的“機器人”Pepper有著明顯的日系特征，1萬元人民幣的價格雖不算太貴，但和手中移動設(shè)備相比，并不具備價格優(yōu)勢，若和美國亞馬遜推出的180美元智能音響Echo相比則劣勢明顯。而Echo也一樣能做到語音識別和語音合成發(fā)聲的功能。
但是在光伏電站里，太陽能光伏電池組件，局部的陰影、不同的傾斜角度及面向方位、污垢、不同的老化程度、細小的裂縫以及不同光電板的不同溫度等容易造成系統(tǒng)失配導致輸出效率下降的弊端，進而導致整體的輸出功率大幅降低，因此這也成為集中式逆變器難以解決的問題。為了解決這一問題，近年來出現(xiàn)即“微逆變器”及“微型轉(zhuǎn)換器”新架構(gòu)。既在每個太陽能電池模塊配備微型逆變電源，通過對各模塊的輸出功率進行優(yōu)化，使得整體的輸出功率化。
美國向后，菲日向前
SKQ1-63型雙電源自動轉(zhuǎn)換開關(guān)電器適用于交流50Hz或60Hz，額定工作電壓400V，額定工作電流63A及以下的雙回路供電系統(tǒng)�？筛鶕�(jù)需要對兩路電源之間的選擇性轉(zhuǎn)換。產(chǎn)品具有短路、過載、欠電壓、失壓保護功能，同時還具備消防、雙分和輸出合閘信號功能。特別適用于需有消防要求的寫字樓，銀行，商場，車站，及高層建筑照明線路的安裝使用。
美國向后退，日菲向前進，依據(jù)的都是各自的利益與需求。對于而言，伴隨著這一輪南海填島進入尾聲，如何在這一地區(qū)打破合縱連橫的企圖，是比建設(shè)島礁難度更大的挑戰(zhàn)。泰國潛艇造
