很急

4565505 · 发表于 24-4-2011 03:10 PM

F.
INDIVIDUAL EARTH ELECTRODE RESISTANCE

G.
OVERAL RESISTANCE

Earth

Individual Earth Electrode Resistance

Overal Resistance to Earth of the Whole Earthing System

Electrode

(With remaining earth disconnected)

(bonding not included)

No.

(ohms)

Average value

Test 1 (R1)

Test 2 (R2)

Test 3 (R3)

RA=(R1+R2+R3)/3

Test 1(r1)

Test 2(r2)

Test 3(r3)

ra=(r1+r2+r3)/3

有谁可以解释？？？很急着要了解。。。这是EARTH ELECTRODE RESISTANCE TEST..

4565505 · 发表于 24-4-2011 03:14 PM

INDIVIDUAL EARTH ELECTRODE RESISTANCE ( WITH REMAINING EARTH DISCONNECTED)(OHMS)
TEST 1 (R1) TEST 2 (R2) TEST3 (R3) AVERAGE VALUE= RA =(R1+R2+R3)/3

4565505 · 发表于 24-4-2011 03:16 PM

OVERALL RESISTANCE TO EARTH OF THE WIRING OF THE WHOLE EARTHING SYSTEM (BONDING NOT INCLUDED)(OHMS)
TEST 1 (R1) TEST 2 (R2) TEST3 (R3) AVERAGE VALUE= RA =(R1+R2+R3)/3

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很急

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