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[单选题]
检定0.2级的电压互感器,在20%额定电压下,由误差测量装置的灵敏度所引起的测量误差,其比值差和相位差应不大于()。
A.±0.02%、±0.5′
B.±0.015%、±0.45′
C.±0.02%、±1′
D.±0.015%、±1.5′
查看答案
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A.±0.02%、±0.5′
B.±0.015%、±0.45′
C.±0.02%、±1′
D.±0.015%、±1.5′
A.±0.02%、±1′
B.±0.025%、±1.5′
C.±0.025%、±2′
D.±0.05%、±1′
A.-0.14%、+6.0′
B.-0.12%、+6′
C.-0.13%、+5.5′
D.-0.14%、+5.5′
A.±0.01%、±0.5′
B.±0.02%、±1.0′
C.±0.03%、±1.5′
D.±0.04%、±2.0′