voltage Phase Iunrest Calculated Measured value Drop out Operating side set value value (A) (A) pick up Time @ 2x I Ratio pick up (ms) Pick up Drop off H.V R side Y B L.V side R Y B Bias Characteristic Testing: Section 1: Idiff = 0.25 Irest When bias current is between 0 ≤ Ibias ≤ End section 1 Slope I I Expected Id Measured IL.V (A) Errors % section bias H.V IL.V ( A) calculated R Y B R Y B 1 ( A) ( A) Id min Limits: ±-------- % Ir according to the technical ref. catalogue Slope Section 2: When bias current is between End sections 1 ≤ Ibias ≤ End section 2 Trip = (Idmin + slope section 2 / 100 * ( Ibias – End section 1 ) A I bias ( A) I H.V ( Expected Id calculated Measured IL.V (A) Errors % A) IL.V ( A) R Y B R Y B
voltage side Phase Iunrest set value Calculated value (A) Measured value (A) Drop out pick up Ratio Operating Time @ 2x I pick up (ms) Pick up Drop off H.V side R Y B L.V side R Y B Bias Characteristic Testing: Section 1: Idiff = 0.25 Irest When bias current is between 0 ≤ Ibias ≤ End section 1 Slope section 1 I bias ( A) I H.V ( A) Expected IL.V ( A) Id calculated Measured IL.V (A) Errors % R Y B R Y B Id min Limits: ±-------- % Ir according to the technical ref. catalogue Slope Section 2: When bias current is between End sections 1 ≤ Ibias ≤ End section 2 Trip = (Idmin + slope section 2 / 100 * ( Ibias – End section 1 ) A I bias ( A) I H.V ( A) Expected IL.V ( A) Id calculated Measured IL.V (A) Errors % R Y B R Y B