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廈門仲鑫達(dá)科技有限公司
===========產(chǎn)品簡(jiǎn)介
下面是新聞我公司的優(yōu)勢(shì)產(chǎn)品(日常用的多的,還有不常用的未列出,但都有做的動(dòng)態(tài))歡迎您的咨詢!
ABB DCS系統(tǒng)備件
FOXBORO DCS系統(tǒng)備件
本特利: 3500/42M/22M/95/05,3300停產(chǎn),卡件模塊
YOKOGAWA DCS系統(tǒng)卡件
TOSHIBA 大型卡件
SIEMENS 停廠產(chǎn)品備件
AB 系統(tǒng)備件
HITACHI 控制系統(tǒng)備件
Honeywell DCS備件
GE FANUC
OVATION DCS 系統(tǒng)備件
巴赫曼 模塊備件
EPRO飛利浦 PLC備件
仲鑫達(dá)
給您熱忱的新聞咨詢服務(wù),給您zui適合的動(dòng)態(tài)選擇,給您值得信賴的新聞產(chǎn)品,給您zui合理的動(dòng)態(tài)價(jià)格
普通電機(jī)和變頻電機(jī)測(cè)量上的區(qū)別
1、變頻器實(shí)際輸出波形為PWM波,新聞除了基波外,動(dòng)態(tài)還包含載波信號(hào)。新聞?shì)d波信號(hào)頻率要比基波高得多,動(dòng)態(tài)且是新聞方波信號(hào),包含大量的動(dòng)態(tài)高次諧波,對(duì)于測(cè)試系統(tǒng)則要求有更高的新聞采樣頻率和帶寬。
2、動(dòng)態(tài)變頻器供電的新聞環(huán)境下,各種高頻干擾無處不在,電磁干擾要比工頻環(huán)境要強(qiáng)得多,這就要求測(cè)試系統(tǒng)有更強(qiáng)的電磁兼容能力。
3、PWM波的峰值因數(shù)一般都較高,普通儀表根本滿足了要求,對(duì)于變頻測(cè)試系統(tǒng)來說,要求有更高的測(cè)量峰值因數(shù)測(cè)量能力。
4、用于變頻測(cè)試的儀表應(yīng)具備在各種PWM波形中分解出其基波的能力,嚴(yán)格測(cè)量需采用數(shù)字信號(hào)處理的方式,也就是高速采樣得到樣本序列,再對(duì)樣本序列進(jìn)行離散傅里葉變換,
得到基波有幅值、相位及各次諧波的幅值和相位。
Giddings & Lewis 502 02208 01Giddings & Lewis HSM307 B90 Giddings & Lewis SSM307 Giddings & Lewis NSM4214 401-30238-00Giddings & Lewis 401-34201-23Giddings & Lewis SSM307B Giddings & lewis pn #401-30286-00Giddings & Lewis SSM320 401-34226-01 Giddings & Lewis LSM75-29-602-E2-0KAGIDDINGS & LEWIS SSM320,P/N 401-34226-02GIDDINGS & LEWIS SSM307, P/N 401-34225-01GIDDINGS & LEWIS SSM307,P/N 401-34225-02Giddings & Lewis HSM320B90GIDDINGS & LEWIS SSM430,P/N 401-34227-02GIDDINGS & LEWIS HSM320 GIDDINGS & LEWIS DSM 030 DSM030 401-56453-00Giddings & Lewis HSM320 GIDDINGS & LEWIS 502-03605-00R2 Giddings & Lewis 136053Fisher-Rosemount KJ3101X1-BB1FISHER-ROSEMOUNT KJ3201X1-EA1FISHER-ROSEMOUNT KJ3221X1-EA1FISHER-ROSEMOUNT KJ3222X1-EA1FISHER-ROSEMOUNT KJ4001X1-BA3Fisher-Rosemount Emerson 12P3439X012Fisher Rosemount DC9430X1-CA1FISHER ROSEMOUNT CL6923X1-A1Fisher-Rosemount Emerson 12P2220x012 Fisher-Rosemount Emerson 12P2830x022Fisher-Rosemount Emerson 12P2186X042 Fisher-Rosemount Emerson 12P0818X072 Fisher-Rosemount Emerson 12P1562X042 Fisher-Rosemount KJ3102X1-BA1Fisher-Rosemount KJ3102X1-BB1Fisher-Rosemount KJ3002X1-BC1Fisher Rosemount DH6032X1-A4 HDL 44B2975X082Fisher Rosemount dc9430x1-ca2Fisher rosemount 01984-1501-0002 FISHER ROSEMOUNT CP6121 ; CP6121X1-A2 FISHER ROSEMOUNT 32B7734X022Fisher rosemount 01984-4383-0001Fisher-Rosemount KJ3242X1-BB1Fisher-Rosemount CL6640X1-A4 Fisher Rosemount KJ4001X1-NB1 Fisher-Rosemount KJ3003X1-BA1Fisher-Rosemount CL6827X1-A1Fisher Rosemount 01984 3202 0010 Fisher rosemount 01984-4124-0001Fisher-rosemount 01984-4121-0001Fisher rosemount 01984 1137 0001Fisher Rosemount 01984 2347 0021 Fisher rosemount 10p50870004 Fisher-rosemount 01984-4383-0001 Fisher-Rosemount Emerson 12P0236X012Fisher-Rosemount Emerson 12P1902X012 Fisher-Rosemount Emerson 12P1902X022 FISHER ROSEMOUNT SYSTEMS 33B5239X352 FISHER ROSEMOUNT 3144PD1A1E5M5B4Fisher Rosemount 01984 1011 0003 Fisher Rosemount 01984 2503 0001
