隨著變頻調(diào)速器的廣泛應(yīng)用,許多工程技術(shù)人員對它也有了相當?shù)牧私?一般通用型變頻器大致包括以下幾個部分:1整流電路,2直流中間電路,3逆變電路,4控制電路.而產(chǎn)生可調(diào)電壓和可調(diào)頻率的逆變電路,又應(yīng)該是變頻器各組成部分的核心技術(shù).
逆變電路主要包括:逆變模塊 和驅(qū)動電路.由于受到加工工藝,封裝技術(shù),大功率晶體管元器件等因數(shù)的影響,目前逆變模塊主要由日本(東芝,三菱,三社,富士,三肯.)及歐美(西門子,西門康,摩托羅拉,IR)等少數(shù)廠家能夠生產(chǎn).
驅(qū)動電路作為逆變電路的一部分,對變頻器的三相輸出有著巨大的影響. 驅(qū)動電路的設(shè)計一般有這樣幾種方式:1.分立插腳式元件組成的驅(qū)動電路.2.光耦驅(qū)動電路.3厚膜驅(qū)動電路.4專用集成塊驅(qū)動電路等幾種.
分立插腳式元件組成的驅(qū)動電路在80年代的日本和臺灣變頻器上被廣泛使用,主要包括日本(富士:G2,G5.三肯:SVS,SVF,MF., 春日,三菱Z系列K系列等)臺灣(歐林,普傳,臺安.)等一系列變頻器.隨著大規(guī)模集成電路的發(fā)展及貼片工藝的出現(xiàn),這類設(shè)計電路復(fù)雜,集成化程度低的驅(qū)動電路已逐漸被淘汰.
光耦驅(qū)動電路是現(xiàn)代變頻器設(shè)計時被廣泛采用的一種驅(qū)動電路,由于線路簡單,可靠性高,開關(guān)性能好,被歐美及日本的多家變頻器廠商采用.由于驅(qū)動光耦的型號很多,所以選用的余地也很大.驅(qū)動光耦選用較多的主要由東芝的TLP系列,夏普的PC系列,惠普的HCPL系列等.以東芝TLP系列光耦為例.驅(qū)動IGBT模塊主要采用的是TLP250,TLP251兩個型號的驅(qū)動光耦.對于小電流(15A)左右的模塊一般采用TLP251.外圍再輔以驅(qū)動電源和限流電阻等就構(gòu)成了最簡單的驅(qū)動電路.而對于中等電流(50A)左右的模塊一般采用TLP250型號的光耦.而對于更大電流的模塊, 在設(shè)計驅(qū)動電路時一般采取在光耦驅(qū)動后面再增加一級放大電路,達到安全驅(qū)動IGBT模塊的目的.
厚膜驅(qū)動電路是在阻容元件和半導體技術(shù)的基礎(chǔ)上發(fā)展起來的一種混合集成電路.它是利用厚膜技術(shù)在陶瓷基片上制作模式元件和連接導線,將驅(qū)動電路的各元件集成在一塊陶瓷基片上,使之成為一個整體部件.使用驅(qū)動厚膜對于設(shè)計布線帶來了很大的方便,提高了整機的可靠性和批量生產(chǎn)的一致性,同時也加強了技術(shù)的保密性.現(xiàn)在的驅(qū)動厚膜往往也集成了很多保護電路,檢測電路.應(yīng)該說驅(qū)動厚膜的技術(shù)含量也越來越高.
另外現(xiàn)在還出現(xiàn)了專用的集成塊驅(qū)動電路,主要由IR的IR2111,IR2112,IR2113等,其它還 有三菱的EXB系列驅(qū)動厚膜.三菱的M57956,M57959等驅(qū)動厚膜.
此外,現(xiàn)在的一些歐美變頻器在設(shè)計上采用了高頻隔離變壓器加入了驅(qū)動電路中(如丹佛斯VLT系列變頻器).應(yīng)該說通過一些高頻的變壓器對驅(qū)動電路的電源及信號的隔離,增強了驅(qū)動電路的可靠性,同時也有效地防止了強電部分的電路出現(xiàn)故障時對弱電電路的損壞.在實際的維修中我們也感覺到這種驅(qū)動電路故障率很低,大功率模塊也極少出現(xiàn)問題.
在我們平時的日常生產(chǎn)使用中,大功率模塊損壞是一種常見的故障現(xiàn)象,損壞的原因可能是多種多樣的.馬達短路,對地絕緣不好,電機堵轉(zhuǎn),外部電源電壓過高都有可能造成變頻器大功率模塊的損壞,我們在實際維修中更換大功率模塊時一定要確定驅(qū)動電路的正常工作.否則更換后很容易引起大功率模塊的再次損壞.另外我們也要了解GTR 模塊和IGBT模塊驅(qū)動電路的區(qū)別,兩種功率模塊前者為電流驅(qū)動,后者則是電壓驅(qū)動.
隨著電子元器件,大規(guī)模集成電路的發(fā)展,驅(qū)動電路也在不斷向著高集成化方向發(fā)展,而且功能在不斷擴大,性能也在不斷提高.同時也對我們這些從事變頻維修行業(yè)的人提出了更高的要求,以上只是本人在變頻維修中的一些心得,同時也希望從事這行業(yè)的人多多溝通交流.
交流變頻調(diào)速技術(shù)是現(xiàn)代電力傳動技術(shù)重要發(fā)展方向,隨著電力電子技術(shù),微電子技術(shù)和現(xiàn)代控制理論在交流調(diào)速系統(tǒng)中的應(yīng)用,變頻交流調(diào)速已逐漸取代了過去的滑差調(diào)速,變極調(diào)速,直流調(diào)速等調(diào)速系統(tǒng),越來越廣泛的應(yīng)用于工業(yè)生產(chǎn)和日常生活的許多領(lǐng)域
◆ 企業(yè)名稱：廈門興潤星貿(mào)易有限公司
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◆ 主營業(yè)務(wù)：DCS,PLC
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◆ 貿(mào)易地區(qū)： 全國
◆ 聯(lián)系人:陽先生
◆ 商務(wù)電話：0592-6895320
◆ 聯(lián)系手機：18030263579
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Giddings and Lewis 502-03994-00R0
Giddings and Lewis 503-18010-03
Giddings and Lewis 503-18011-01
Giddings and Lewis 503-18011-03
Giddings and Lewis 503-19184-02
Giddings and Lewis 527-03657-03 ( 502-03657-03 )
Giddings and Lewis 572-03605-00 ( 502-03605-00 )
Goldstar LP121S1
Gould A70P200
Gould A70P200
Graham 176b6018
Graham 176b6018
GSE 200651-10000
GSE 44-35-288-30-3
Hass EPV-500B
Heidenhain EXE 602 D-5-F
Hengstler E601T-36A
Hersey 57625-414
Hewlett Packard 7946A
Hitachi BSM-5
Hitachi BSM-6A
Hitachi PIM-DW
Hitachi POM-RW
Hitachi POM-TW
Hitachi PSM-A2
Honeywell 51304443-200
Honeywell 51304487-100
Honeywell 51401491-100
Honeywell 621-0007
Honeywell 621-9900
Honeywell 90MTB
Honeywell DC100210101000
Honeywell DC2003
Honeywell DC200T-1-000-100000-0
Honeywell DC5021-A2-3000-33-00-312
Honeywell DC5062
Honeywell DCP7115GHF15010H0
Honeywell DCP7115GHF15012H0
Honeywell FE-21043
Honeywell PDS-L005
Honeywell RM7838-B-1013
Honeywell S8600F
Honeywell TC-CCR012
Honeywell TC-FXX102
Honeywell TC-FXX102
Honeywell TC-FXX132
Honeywell TC-IDD321
Honeywell TC-OAV081
Honeywell TC-OAV081
Honeywell TC-ODJ161
Honeywell UDC2000 (DC200H-0-000-1F0000-0)
Honeywell UDC2300 (DC230I-0-000-00000-0)
Honeywell UDC3000 DC300E-E-E00-10-0000-0
Honeywell UDC3000 DC300K-0-000-10-0000-0
Honeywell-TC-IXR061
Horner Electric HE610VAC100
Horner Electric HE610VAC100
IDEC FA-1J
IDEC FC2A-C24A1
IDEC PFA-1H401
IDEC PFJ-EB1
IDEC PFJ-N161
Idec PFJ-N161U
Idec PFJ-T162U
IDEC PSR-S15
IDEC PSR-S30
IDEC SR2P-06
IDM G3U42P2N1
IDM G3U42P2N1
Indramat 090B-O-JD-2-C/110-A-O
Indramat DDS02.1-W100-D
Indramat DKC03.3-040-7-FW
Indramat FWC-DSM2.1-S11-01V15-MS
Indramat FWC-DSM2.1-SSE-02VO9-MS
Indramat KDV1.3-100-220/300-115
Indramat NAM1.2-15
Indramat TBM1.2-40-W1-024
Indramat TDA1.3-100-3-L00
Indramat TDM1.2-050-300-W1-0
Indramat TDM3.2-20-300-W0
Indramat TVD1.2-15-03
Instron A504-119
Intermatic LC4523
IPC 310-C4A
IPC 320-C2A
IPC 321
IPC 321
IPC 330-115A
IPC 331-115A
IPC 333-5D
IPC 340-115A2
IPC 341-115A-2
IPC 346-5D-0.1
IPC 90MPTA
ISSC 90AD1B
ISSC 90AR1A
ISSC 90CPCC
ISSC 90LM1A
ISSC 90-MPTA
Jokab Safety S53X1X4
KB Electronics KBIC-125
KB Electronics KBIC-BTB
KBIC
KBIC 9884
Kebco 07.F0.221-1279
Kebco 09-f0-r11-3479
Kebco 32.94.100-0728
KEP MMI-100-L
Kepco RAX24-7-2K
Kessler Ellis SMIC-MOD
Keyence ex-v05
Keyence KV-U3
Keyence MT-300
Klockner Moeller AD-25-1
Klockner Moeller DILOM/22
Klockner Moeller ZM-2-4-PKZ2
Klockner Moeller ZM-4-PKZ2
Klockner Moeller ZM-6-PKZ2
Klockner-Moeller pkzm1-1-6
Klockner-Moeller pkzm1-1-6
Klockner-Moeller pkzm1-1-6
Klockner-Moeller pkzm1-2-4
Kontrolliert 203829-1
Kontrolliert 203829-1
Kontrolliert 263618-50201
Koyo D2-04B
Koyo D2-06B
Koyo D2-240
Koyo D2-240
Koyo D3-05B-1
Koyo D3-10B-1
Koyo D3-330
Koyo D4-06B-1 ( U-16B)
Koyo D4-16TA
Koyo D4-RAM-1
Koyo F4-08TRS-1
Lambda LUS-11-24
Lambda LUS-11-24
Lambda LYS-Y-24
Lambda LYS-Y-24
Lantech 55003501
Lantech 55003501
Leeson 191207
Lenze 6812-4
Lenze E82EV371K-2C
Lenze E82EV371S-2C
Lenze EVF8203-E
Lenze EVF9325-EV
Lewis Machine 8610 D
Littlefuse FLSR 250
Lucas Schaevitz 02291323000
Magnetek 46S03176-0010
Magnetek 53SHA000-0004
Magnetek CM005
Magnetek DS314
Magnetek GPD515C-B011
Magnetek L714
Magnetek L716
Magnetek-DS043
Marathon 1433555
Memocon M302
Micon 18-11-11
Micon P200-ING UNIT
Micro Masters LS1002
Mitsubishi 0SHC-05-DWC
Mitsubishi A0J2C01
Mitsubishi A0J2C03
Mitsubishi A0J2C06
Mitsubishi A0J2CPU
Mitsubishi A0J2-D61S1
Mitsubishi A0J2-E24R
Mitsubishi A0J2-E24R
Mitsubishi A0J2-E28DR
Mitsubishi A0J2-E28DS
Mitsubishi A0J2-E56DR
Mitsubishi A0J2-E56DS
Mitsubishi A0J2-E56DT
Mitsubishi A1NCPU
Mitsubishi A1S35B
Mitsubishi A1S38B
Mitsubishi A1S61P
Mitsubishi A1SCPU
Mitsubishi A1SG60
Mitsubishi A1SJ71C24-R2
Mitsubishi A1SMCA-2KE
Mitsubishi A1ST60
Mitsubishi A1SX10
Mitsubishi A1SX41
Mitsubishi A1SX42
Mitsubishi A1SX42
Mitsubishi A1SY41
Mitsubishi A1SY42
Mitsubishi A1SY50
Mitsubishi A1SY81
Mitsubishi A2ACPU
Mitsubishi A2CPU
Mitsubishi A2CPUR21
Mitsubishi A2NCPU
Mitsubishi A35B-UL
Mitsubishi A38B
Mitsubishi A38B-UL
Mitsubishi A3ACPU
Mitsubishi A58B
Mitsubishi A58B-UL
Mitsubishi A61P
Mitsubishi A61P-UL
Mitsubishi A61P-UL
Mitsubishi A6BAT
Mitsubishi A6DIN1C
Mitsubishi A6DIN2C
Mitsubishi A6DIN3C
Mitsubishi A6PHPE-115UL
Mitsubishi A7PU
Mitsubishi AC06B
Mitsubishi AD71
Mitsubishi AJ71UC24
Mitsubishi AOJ2C06
Mitsubishi AX41C
Mitsubishi AX41-UL
Mitsubishi AX41-UL
Mitsubishi AY13
Mitsubishi AY51C
Mitsubishi AY51-UL
Mitsubishi DSQN-03-DWC
Mitsubishi F1-20P-E
Mitsubishi F-12R-U
Mitsubishi F2-20P-E
Mitsubishi FR-A024-1.5K-TF
Mitsubishi FR-A220E-1.5K-UL
Mitsubishi FR-A240E-3.7K-UL
Mitsubishi FR-A520-3.7K
Mitsubishi FR-A520-3.7K
Mitsubishi FR-A5ND
Mitsubishi FR-PUO1E
Mitsubishi FR-Z024-2.2K-UL
Mitsubishi FR-Z024-3.7KP
Mitsubishi FR-Z240-2.2K-UL
Mitsubishi FR-Z260-2.2K
Mitsubishi FR-Z260-3.7K
Mitsubishi FW61(A)
Mitsubishi FX01(B)
Mitsubishi FX14(E)
Mitsubishi FX15(C)
Mitsubishi FX16(D)
Mitsubishi FX-1GM
Mitsubishi FX-1HC
Mitsubishi FX-1PG
Mitsubishi FX-1PG
Mitsubishi FX20(A)
Mitsubishi FX27(B)
Mitsubishi FX31(D)
Mitsubishi FX32
Mitsubishi FX-32ER
Mitsubishi FX-32IVR-ES-UL
Mitsubishi FX-32IVR-ES-UL
Mitsubishi FX52
Mitsubishi FX53(A)
Mitsubishi FX562(A)
Mitsubishi FX63(C)
Mitsubishi FX-64MT-ESS
Mitsubishi FX-80MR-ES-UL
Mitsubishi FX-80MT-ESS
Mitsubishi FX-8EYT-ESS
Mitsubishi FXON-16NT
Mitsubishi KOJ2-E56DT
Mitsubishi le-w1a
Mitsubishi MR-J20MA
Mitsubishi MR-J20MA-UL
Mitsubishi NF-30-SS
Mitsubishi NF50-SB
Mitsubishi PM10B
Mitsubishi PM10B
Mitsubishi TCUA-01-DWC
Mitsubishi TRA-10A
Mitsubishi UF01B
Mitsubishi Z637264 (H40-S)
Modicon 100-021
Modicon 100-146 / 100-0146
Modicon 100-166 / 100-0166
Modicon 100-166-278 / 100-0166-278
Modicon 100-196 / 100-0196
Modicon 100-298 / 100-0298
Modicon 100-304
Modicon 100-369
Modicon 110- 0132
Modicon 110 Programming Cable
Modicon 110-062
Modicon 110-091 / 110-0091
Modicon 110-092 / 110-0092
Modicon 110-092 / 110-0092
Modicon 110-108
Modicon 110-113
Modicon 110-133
Modicon 110-200
Modicon 110-231
Modicon 110-232
Modicon 110CPU31101
Modicon 110CPU51201
Modicon 110XCA20400
Modicon 110XCA28203
Modicon 120-034-001
Modicon 120-085-005
Modicon 120-087-001
Modicon 120-088-001
Modicon 140ACO02000
Modicon 140AVI03000
Modicon 140AVO02000
Modicon 140CFI08000
Modicon 140CHS11000
Modicon 140CPS21100
Modicon 140CPS22400
Modicon 140CPU11303
Modicon 140CRA21110
Modicon 140CRP93100
Modicon 140DAI54300
Modicon 140DAO84000
Modicon 140DAO84000
Modicon 140DCR83000
Modicon 140DDI85300
Modicon 140DDO84300
Modicon 140DDO84300
Modicon 140DDO84300
Modicon 140DRC83000
Modicon 140EHC10500
Modicon 140ESI06210
Modicon 140MSB10100
Modicon 140NOM21100
Modicon 140XBP01000
Modicon 140XBP01600
Modicon 140XBP01600
Modicon 140XCP50000
Modicon 140XCP60000
Modicon 170ADO54050
Modicon 170BDI34200
Modicon 170BDI54250
Modicon 170BDI54650
Modicon 170BSM01600
Modicon 170MCI10001
Modicon 52-0402-000
Modicon 60-0515-000
Modicon 60-0576-000
Modicon 60-0576-100 ( B9696T )
Modicon 84/100
Modicon 91-01424-00
Modicon 92-00597-05
Modicon 92-00597-05
Modicon 92-00852-03
Modicon 92-01877-05
Modicon 990NAD21110
Modicon 990XCP98000
Modicon A615-06
Modicon A631-06
Modicon AM-0984-AT2
Modicon AM-C916-100
Modicon AM-C916-120
Modicon AM-C921-100
Modicon AM-C924-000
Modicon AM-C996-802
Modicon AM-C996-804
Modicon AM-M907-1XX
Modicon AM-R911-000
Modicon AM-S901-100
Modicon AM-S908-011
Modicon AM-S911-000
Modicon AM-S975-000
Modicon AM-S975-103
Modicon AM-S985-000
Modicon AM-SA85-000
Modicon AM-SM85-002
Modicon AS-0984-Option Slot Cover
Modicon AS-1120-000
Modicon AS-212P-020
Modicon AS-212P-210
Modicon AS-212P-220
Modicon AS-2184-011
Modicon AS-2802-000
Modicon AS-384A-204
Modicon AS-384B
Modicon AS-500P-000
Modicon AS-500P-000
Modicon AS-500P-000
Modicon AS-506P-001
Modicon AS-506P-004
Modicon AS-506P-004
Modicon AS-506P-008
Modicon AS-506P-F12
Modicon AS-506P-F12
Modicon AS-506P-F16
Modicon AS-506P-F32
Modicon AS-509P-003
Modicon AS-509P-007
Modicon AS-516P-001
Modicon AS-516P-002
Modicon AS-516P-006
Modicon AS-516P-008
Modicon AS-521P-006
Modicon AS-521P-007
Modicon AS-521P-008
Modicon AS-521P-011
Modicon AS-521P-106
Modicon AS-521P-111
Modicon AS-5284-001
Modicon AS-5378-001
Modicon AS-5378-002
Modicon AS-5540-000
Modicon AS-5704-000
Modicon AS-5705-000 Connector
Modicon AS-584A-042
Modicon AS-584A-450
Modicon AS-584A-A & B Cable
Modicon AS-584A-C Cables
Modicon AS-584A-D Cables
Modicon AS-584L-A & B Cables
Modicon AS-584L-C Cables
Modicon AS-584L-D Cables
Modicon AS-584L-XXX
Modicon AS-584M-240
Modicon AS-584M-XXX
Modicon AS-584M-XXX
Modicon AS-584M-XXX
Modicon AS-707-004
Modicon AS-8533-003
Modicon AS-8534-000
Modicon AS-8535-000
Modicon AS-884A-100
Modicon AS-884A-111
Modicon AS-884A-200
Modicon AS-884A-201
Modicon AS-884A-211
Modicon AS-884A-301
Modicon AS-884A-311
Modicon AS-9000-452
Modicon AS-9003-821
Modicon AS-9003-822
Modicon AS-9490-022
Modicon AS-984A-816
Modicon AS-9900-150
Modicon AS-9T14-006
Modicon AS-9T14-050
Modicon AS-9T14-100
Modicon AS-9T15-006
Modicon AS-B100-000
Modicon AS-B101-000
Modicon AS-B102-000
Modicon AS-B103-000
Modicon AS-B104-000
Modicon AS-B105-000
Modicon AS-B106-000
Modicon AS-B107-000
Modicon AS-B108-000
Modicon AS-B225-001
Modicon AS-B230-501
Modicon AS-B231-500
Modicon AS-B231-501
Modicon AS-B232-001
Modicon AS-B232-501
Modicon AS-B233-001
Modicon AS-B233-501
Modicon AS-B236-001
Modicon AS-B236-501
Modicon AS-B238-001
Modicon AS-B239-001
Modicon AS-B239-001
Modicon AS-B240-000
Modicon AS-B240-000 connector
Modicon AS-B241-000
Modicon AS-B242-004
Modicon AS-B243-105
Modicon AS-B243-110
Modicon AS-B244-001
Modicon AS-B245-001
Modicon AS-B246-001
Modicon AS-B246-501
Modicon AS-B247-001
Modicon AS-B248-001
Modicon AS-B251E
Modicon AS-B255-000
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Modicon AS-B882-239
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Modicon AS-BADU-204
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Modicon AS-BDAP-209
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Modicon AS-BDAP-216N
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Modicon AS-BDEP-208
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Modicon AS-D008-040
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Modicon AS-E380-902
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Modicon AS-E908-006
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Modicon AS-H810-208
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Modicon AS-H827-209
Modicon AS-HDTA-200
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Modicon AS-J375-010
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Modicon AS-J470-000
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Modicon AS-J478-010
Modicon AS-J523-112
Modicon AS-J540-000
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Modicon AS-J871-008
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Modicon AS-J890-001
Modicon AS-J892-001
Modicon AS-J892-101
Modicon AS-L206-000
Modicon AS-L207-300
Modicon AS-M380-004
Modicon AS-M380-006
Modicon AS-M484-100
![[1785-L20C15[3]1785-L20C15]](/UserDocument/2014c/xmrxmy0028/Picture/2014716103525.jpg "[1785-L20C15[3]1785-L20C15]")
