深圳市信瑞達電力設備有限公司
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深圳市信瑞達電力設備有限公司
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更新時(shí)間：2023-11-25 09:17:27瀏覽次數：220次
聯(lián)系我時(shí)，請告知來(lái)自 紡織服裝機械網(wǎng)LFB-B55系列閉環(huán)型電流傳感器的初、次級之間是絕緣的，用于測量直流、交流和脈沖電流。The LFB-B55 Series current sensor is a...
LFB-B55系列閉環(huán)型電流傳感器的初、次級之間是絕緣的，用于測量直流、交流和脈沖電流。
The LFB-B55 Series current sensor is a closed loop device based on the measuring principle of the hall effect,with a galvanic isolation between primary and secondary circuit,it usesfor precision measurement of DC, AC and pulse current.
| 電參數 Electrical data(Ta=25℃±5℃) |
| 型號 Type | LFB50B55 | LFB100B55 | LFB200B55 | LFB300B55 | LFB400B55 | 單位 Unit |
| 額定輸入電流(Ipn) | 50 | 100 | 200 | 300 | 400 | A |
| 測量電流范圍(Ip) | 75 | 150 | 300 | 450 | 580 | A |
| 匝 比 (Np/Ns) Turns ratio(Np/Ns) | 1:2000 | 1:2000 | 1:2000 | 1:3000 | 1:3000 | T |
| 次級線(xiàn)圈電阻 Secondary resister | 25 | 25 | 25 | 46 | 46 | Ω |
| 額定次級輸出電流 | 25 | 50 | 100 | 100 | 133.3 | mA |
| 額定輸出電壓 Rated output | 5±0.5% | V | ||||
| 電源電壓 Supply voltage | ±12～±15 | V | ||||
| 功耗電流 Power consumption | ≤25+IpX(Np/Ns) | mA | ||||
| 零點(diǎn)失調電壓 Zero voltage | @Ip=0 ≤±15 | mV | ||||
| 零點(diǎn)失調電壓溫漂 ZeroOffset drift | @ -40～+85℃ ≤±0.5 | mV/℃ | ||||
| 輸出電壓溫漂 Output drift | @ -40～+85℃ ≤±0.25 | mV/℃ | ||||
| 響應時(shí)間 Response time | @100A/μS, 10%-90% ＜1.0 | µs | ||||
| 線(xiàn)性度 Linearity | @Ip=0-±Ipn ≤0.1 | %FS | ||||
| 絕緣電壓 | @ 50HZ,AC,1min 6 | KV | ||||
| di/dt跟隨精度 di/dt accurately followed | ＞100 | A/µs | ||||
| 帶寬 Bandwidth | @ -3dbDC…150 | KHz | ||||
| 使用說(shuō)明 Directions for use |
1. 產(chǎn)品箭頭的方向為Ip方向。
Is will be in a forward direction when the Ip flows according to the direction of the arrowhead.
2. 初級導體溫度不應超過(guò)100℃。
The primary conductor should be≤100℃.
3. 母排充滿(mǎn)初級穿孔時(shí)動(dòng)態(tài)表現（di/dt和響應時(shí)間）為。
The dynamic performance (di/dt and the response time)is the best when the primary hole is fully filled with the bus bar.
4. 為了達到的磁耦合，初級線(xiàn)匝應繞在傳感器頂部。
The primary turns should be at the top of the sensor for the best magnetic coupling.
| |
l UL94-V0.
l EN60947-1:2004
l IEC60950-1:2001
l EN50178:1998
SJ 20790-2000
| 總體參數 General date |
|
| 數值 Value | 單位 Unit | 符號 Symbol |
| 工作溫度 Operating temperature | -40 to +85 | oC | TA |
| 儲存溫度 Storage temperature | -40 to +125 | oC | TS |
| 毛重(約)Mass(approx) | 75
| g | M |
| 特性圖Characteristics chart |
脈沖電流信號響應特性 抗脈沖電壓干擾特性
Pulse current signal response characteristic Effects of impulse noise
| 應用 Applications |
l 變頻調速系統
Variable speed drives
l 電焊機
Welding machine
l 通訊電源
Battery supplied applications
l 不間斷電源UPS
Uninterruptible Power Supplies (UPS)
l 電化學(xué)
Electrochemical
| 結構參數 Mechanical dimension(for reference only) |
Remarks：
1. All dimensions are in mm.
2. General tolerance ±1mm
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