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深圳市信瑞達(dá)電力設(shè)備有限公司
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深圳市信瑞達(dá)電力設(shè)備有限公司
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更新時(shí)間：2023-11-25 09:17:27瀏覽次數(shù)：230次
聯(lián)系我時(shí)，請(qǐng)告知來(lái)自 紡織服裝機(jī)械網(wǎng)LFB-B55系列閉環(huán)型電流傳感器的初、次級(jí)之間是絕緣的，用于測(cè)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(jí)之間是絕緣的，用于測(cè)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(shù) Electrical data(Ta=25℃±5℃) |
| 型號(hào) Type | LFB50B55 | LFB100B55 | LFB200B55 | LFB300B55 | LFB400B55 | 單位 Unit |
| 額定輸入電流(Ipn) | 50 | 100 | 200 | 300 | 400 | A |
| 測(cè)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(jí)線圈電阻 Secondary resister | 25 | 25 | 25 | 46 | 46 | Ω |
| 額定次級(jí)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(diào)電壓 Zero voltage | @Ip=0 ≤±15 | mV | ||||
| 零點(diǎn)失調(diào)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(yīng)時(shí)間 Response time | @100A/μS, 10%-90% ＜1.0 | µs | ||||
| 線性度 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?yàn)?/span>Ip方向。
Is will be in a forward direction when the Ip flows according to the direction of the arrowhead.
2. 初級(jí)導(dǎo)體溫度不應(yīng)超過(guò)100℃。
The primary conductor should be≤100℃.
3. 母排充滿初級(jí)穿孔時(shí)動(dòng)態(tài)表現(xiàn)（di/dt和響應(yīng)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(dá)到的磁耦合，初級(jí)線匝應(yīng)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(shù) General date |
|
| 數(shù)值 Value | 單位 Unit | 符號(hào) Symbol |
| 工作溫度 Operating temperature | -40 to +85 | oC | TA |
| 儲(chǔ)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(hào)響應(yīng)特性 抗脈沖電壓干擾特性
Pulse current signal response characteristic Effects of impulse noise
| 應(yīng)用 Applications |
l 變頻調(diào)速系統(tǒng)
Variable speed drives
l 電焊機(jī)
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(jié)構(gòu)參數(shù) Mechanical dimension(for reference only) |
Remarks：
1. All dimensions are in mm.
2. General tolerance ±1mm
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