ReBCO - 2mm - AC Losses + v(t), i(t)

Experimental tests were carried out to measure the AC losses of BSCCO tapes with 4mm wide. The used experimental setup comprises a sinusoidal voltage source (Keysight AC6804B) connected to a step-down transformer, with the secondary connected to the HTS tapes. Voltage taps are soldered to both sides of the HTS tape sample. A cancellation coil is employed to align the tape’s voltage and current, thereby reducing errors in computing the active power. The voltage signal undergoes an 80-fold amplification stage in the Low Noise Amplifier (LNA) before being visualized and acquired by an oscilloscope. For each current step, a 5-period signal is acquired 20 times, from which an average 5-period signal is derived. Each measurement step is repeated five times to mitigate noise. From these tests, AC voltage-current (V-I) characteristics and total AC losses are experimentally determined. In addition to the cancelation coil method, the voltage was also measured using a Lock-in amplifier, using the current as a phase reference.HTS 1^st gen. BSCCO and 2^nd gen. ReBCO Tapes’ CharacteristicsCharacteristic BSCCO (1^st gen.)ReBCO (2^nd gen.)ReBCO (2^nd gen.)<i>I</i>_<em>c</em> (77K) @ dc 160-180A155-175A83-85A<i>n </i>(77K) @ dc 10-1330-3529-30<i>B</i>_{<em>0 </em>}(77K) @ dc 0.1 - 0.14 T0.1 - 0.14 T0.1 - 0.14 TGeometry EllipticalThin stripThin strip<i>w</i>_<em>sc</em> (<i>w</i>_<em>sc</em> = 2a) 3.5 mm4.01 mm2.04 mm<i>h</i>_<em>sc</em> (<i>h</i>_<em>sc</em> = 2b) 0.12 mm0.095 mm0.095 mm<i>l</i>_{<em>sc </em>}(length) 120 mm105 mm95 mmManufacturerNexans SuperConductorsBSCCO-2212 C01-207SuperPowerSCS4050-APSuperPowerSCS2050-AP<br><br>To use this data, please cite:https://iopscience.iop.org/article/10.1088/1361-6668/ad1f7c/meta<br>

本研究开展实验测试以测量宽度为4mm的铋系高温超导（BSCCO）带材的交流损耗。所用实验装置包含一台连接至降压变压器的正弦电压源（是德科技Keysight AC6804B），变压器副边与高温超导（HTS）带材相连。电压抽头焊接至高温超导带材样品的两侧。实验采用抵消线圈以匹配带材的电压与电流相位，从而降低有功功率计算中的误差。电压信号在经过低噪声放大器（LNA）80倍放大后，由示波器进行可视化与采集。针对每个电流步阶，采集20组5周期信号，并由此得到平均5周期信号。每个测量步阶重复五次以抑制噪声。通过本次实验，我们得到了交流伏安（V-I）特性与总交流损耗。除抵消线圈法外，本研究还以电流作为相位参考，通过锁相放大器进行电压测量。

### 第一代BSCCO与第二代ReBCO高温超导带材特性
| 参数 | BSCCO（第一代） | ReBCO（第二代） | ReBCO（第二代） |
|------|----------------|----------------|----------------|
| 直流77K下临界电流$I_c$ | 160~180 A | 155~175 A | 83~85 A |
| 直流77K下n值 | 10~13 | 30~35 | 29~30 |
| 直流77K下背景磁场$B_0$ | 0.1~0.14 T | 0.1~0.14 T | 0.1~0.14 T |
| 几何形状 | 椭圆形 | 薄带状 | 薄带状 |
| 超导芯宽度$w_{sc}$（$w_{sc}=2a$） | 3.5 mm | 4.01 mm | 2.04 mm |
| 超导芯厚度$h_{sc}$（$h_{sc}=2b$） | 0.12 mm | 0.095 mm | 0.095 mm |
| 超导芯长度$l_{sc}$ | 120 mm | 105 mm | 95 mm |
| 生产商 | Nexans SuperConductors BSCCO-2212 C01-207 | SuperPower SCS4050-AP | SuperPower SCS2050-AP |

如需使用本数据集，请引用：https://iopscience.iop.org/article/10.1088/1361-6668/ad1f7c/meta