Grundfos SP Series Installation And Operating Instructions Manual page 424

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‫ﺗﻭﻓ ﺭ ﺃﺩﺍﺓ ﻗﻳ ﺎﺱ ﺍﻟﻛﺎﺑ ﻝ ﺣﺳ ﺎﺑﺎ ﺩﻗﻳﻘ ﺎ ﻟﻬﺑ ﻭﻁ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﻓ ﻲ ﻣﻘﻁ ﻊ ﻋﺭﺿ ﻲ‬
‫ﺩﺭ‬
‫ﺭ ﺑﻣﺻ‬
‫ﻳﻝ ﺍﻟﻣﺑﺎﺷ‬
‫ﻐﻳﻝ ﺍﻟﺗﻭﺻ‬
‫ﺩء ﺗﺷ‬
.‫ﺎ‬
‫ﺛﻲ ﻛﻠﻳﻬﻣ‬
‫ﻭﻥ‬
‫ﻝ. ﻭﻳﻛ‬
‫ﻲ ﻟﻠﻛﺎﺑ‬
‫ﻊ ﺍﻟﻌﺭﺿ‬
‫ﺎﺩﺓ ﺍﻟﻣﻘﻁ‬
‫ﺫﻟ ﻙ ﻣﺟ ﺩﻳﺎ ﻣ ﻥ ﺣﻳ ﺙ ﺍﻟﺗﻛﻠﻔ ﺔ ﻓﻘ ﻁ ﺇﺫﺍ ﻛ ﺎﻥ ﺛﻘ ﺏ ﺍﻟﺣﻔ ﺭ ﻳﻭﻓ ﺭ ﺍﻟﺣ ﻳﺯ‬
‫ﺍﻟﺿ ﺭﻭﺭﻱ، ﻭﺇﺫﺍ ﻛ ﺎﻥ ﺯﻣ ﻥ ﺗﺷ ﻐﻳﻝ ﺍﻟﻣﺿ ﺧﺔ ﻁ ﻭﻳﻼ. ﺃﻳﺿ ﺎ، ﺗﻭﻓ ﺭ ﺃﺩﺍﺓ ﻗﻳ ﺎﺱ‬
‫ﺍﻟﻛﺎﺑ ﻝ ﺁﻟ ﺔ ﺣﺎﺳ ﺑﺔ ﻟﻔﺎﻗ ﺩ ﺍﻟﻘ ﺩﺭﺓ ﺍﻟ ﺗﻲ ﺗﺑﻳ ﻥ ﺍﻟﻭﻓ ﻭﺭﺍﺕ ﺍﻟﻣﻣﻛﻧ ﺔ ﻟﻣﻘﻁ ﻊ‬
‫ﻛﺑ ﺩﻳﻝ ﻷﺩﺍﺓ ﻗﻳ ﺎﺱ ﺍﻟﻛﺎﺑ ﻝ، ﺍﺧ ﺗﺭ ﺍﻟﻣﻘﻁ ﻊ ﺍﻟﻌﺭﺿ ﻲ ﻋﻠ ﻰ ﺃﺳ ﺎﺱ ﺍﻟﻘﻳ ﻡ‬
‫ﻳﺟ ﺏ ﺃﻥ ﻳﻛ ﻭﻥ ﺍﻟﻣﻘﻁ ﻊ ﺍﻟﻌﺭﺿ ﻲ ﻟﻠﻛﺎﺑ ﻝ ﺍﻟﻬ ﺎﺑﻁ ﺍﻟﻐ ﺎﻁﺱ ﻭﺍﺳ ﻌﺎ ﻋﻠ ﻰ ﻧﺣ ﻭ‬
.6
‫ﻛ ﺎﻑ ﻟﺗﻠﺑﻳ ﺔ ﻣﺗﻁﻠﺑ ﺎﺕ ﺟ ﻭﺩﺓ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﺍﻟﻣﺣ ﺩﺩﺓ ﻓ ﻲ ﺍﻟﻘﺳ ﻡ‬
‫ﺣ ﺩﺩ ﻫﺑ ﻭﻁ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﻟﻠﻣﻘﻁ ﻊ ﺍﻟﻌﺭﺿ ﻲ ﻟﻠﻛﺎﺑ ﻝ ﺍﻟﻬ ﺎﺑﻁ ﺍﻟﻐ ﺎﻁﺱ ﺑﻭﺍﺳ ﻁﺔ‬
.97
‫ﺇﻟ ﻰ‬
‫ﻥ‬
‫ﻰ ﺍﻟﻣﻘﻧ‬
‫ﺎﺭ ﺍﻷﻗﺻ‬
‫ﺍﻟﺗﻳ‬
I
‫ﺎﻭﻱ‬
‫ﺔ‬
‫ﻥ ﺍﻟﻔﻭﻟﺗﻳ‬
‫% ﻣ‬
1
‫: ﻁ ﻭﻝ ﺍﻟﻛﺎﺑ ﻝ ﻣﺣ ﻭﻻ ﺇﻟ ﻰ ﻫﺑ ﻭﻁ ﻓﻭﻟﺗﻳ ﺔ ﻣﻘ ﺩﺍﺭﻩ‬
.‫: ﺍﻟﻣﻘﻁ ﻊ ﺍﻟﻌﺭﺿ ﻲ ﻟﻠﻛﺎﺑ ﻝ ﺍﻟﻬ ﺎﺑﻁ ﺍﻟﻐ ﺎﻁﺱ‬
‫. ﻋﻧ ﺩ ﺗﻘ ﺎﻁﻊ ﺍﻟﺧ ﻁ ﻣ ﻊ‬
Lx
‫ﺔ‬
‫ﺔ ﻭﻗﻳﻣ‬
.‫، ﺍﺧ ﺗﺭ ﺍﻟﻣﻘﻁ ﻊ ﺍﻟﻌﺭﺿ ﻲ ﺍﻟ ﺫﻱ ﻳﻣﺗ ﺩ ﺗﻣﺎﻣ ﺎ ﻓ ﻭﻕ ﺍﻟﺗﻘ ﺎﻁﻊ‬
:‫ﺗﻛ ﻭﻥ ﺍﻟﻣﺧﻁﻁ ﺎﺕ ﺍﻟﺑﻳﺎﻧﻳ ﺔ ﻣﻌ ﺩﺓ ﻋﻠ ﻰ ﺃﺳ ﺎﺱ ﺍﻟﺻ ﻳﻎ‬
cos
[‫]ﺃﻣﺑ ﻳﺭ‬
‫ﻭﺭ‬
[‫/ﻡ‬
2
‫ﺗﺭ‬
‫]ﺃﻭﻡ ﻣﻠﻠﻳﻣ‬
[2
‫]ﻣﻡ‬
‫ﺍﻟﻣﻘﻁ ﻊ ﺍﻟﻌﺭﺿ ﻲ ﻟﻠﻛﺎﺑ ﻝ ﺍﻟﻬ ﺎﺑﻁ ﺍﻟﻐ ﺎﻁﺱ‬
.[‫]ﺃﻭﻡ/ﻣ ﺗﺭ‬
x 10-3 0,078
424
:‫ﻣﺣ ﺩﺩ ﻋﻠ ﻰ ﺃﺳ ﺎﺱ ﺍﻟﻣﻌ ﺎﻣﻼﺕ ﺍﻵﺗﻳ ﺔ‬
‫ﻁ ﻭﻝ ﺍﻟﻛﺎﺑ ﻝ‬
‫ﻐﻳﻝ‬
‫ﺔ ﺍﻟﺗﺷ‬
‫ﻓﻭﻟﺗﻳ‬
‫ﺗﻳ ﺎﺭ ﺍﻟﺣﻣ ﻝ ﺍﻟﻛﺎﻣ ﻝ‬
‫ﻋﺎﻣ ﻝ ﺍﻟﻘ ﺩﺭﺓ‬
.‫ﺩﺭﺟ ﺔ ﺍﻟﺣ ﺭﺍﺭﺓ ﺍﻟﻣﺣﻳﻁ ﺔ‬
‫ﺔ ﻟﺑ‬
‫ﻭﻁ ﺍﻟﻔﻭﻟﺗﻳ‬
‫ﺎﺏ ﻫﺑ‬
‫ﻙ ﺣﺳ‬
‫ﻲ - ﺍﻟﻣﺛﻠ‬
‫ﻳﻝ ﺍﻟﻧﺟﻣ‬
‫ﺎﺭ ﻭﺍﻟﺗﻭﺻ‬
‫ﻥ ﺯﻳ‬
‫ﻐﻳﻝ، ﻳﻣﻛ‬
‫ﺩ ﺍﻟﺗﺷ‬
‫ﻝ ﻓﻭﺍﻗ‬
.‫ﻋﺭﺿ ﻲ ﺯﺍﺋ ﺩ‬
.‫ﺍﻟﺣﺎﻟﻳ ﺔ ﻟﻠﻛ ﺎﺑﻼﺕ ﺍﻟﻣﺣ ﺩﺩﺓ‬
.‫ﺔ‬
‫ﻳﻼﺕ ﺍﻟﻛﻬﺭﺑﺎﺋﻳ‬
‫ﺍﻟﺗﻭﺻ‬
94
‫ﻔﺣﺎﺕ‬
‫ﻲ ﺍﻟﺻ‬
‫ﺔ ﻓ‬
‫ﺎﺕ ﺍﻟﺑﻳﺎﻧﻳ‬
‫ﺍﻟﻣﺧﻁﻁ‬
:‫ﺔ‬
‫ﻳﻐﺔ ﺍﻵﺗﻳ‬
‫ﺍﺳ ﺗﺧﺩﻡ ﺍﻟﺻ‬
.‫ﻭﺭ‬
‫ﻥ ﻟﻠﻣﻭﺗ‬
‫ﻰ ﺍﻟﻣﻘﻧ‬
‫ﺎﺭ ﺍﻷﻗﺻ‬
‫ﺛﻲ، ﻳﺳ‬
‫ﻲ - ﺍﻟﻣﺛﻠ‬
‫ﻐﻳﻝ ﺍﻟﻧﺟﻣ‬
‫ﺩء ﺍﻟﺗﺷ‬
.
x 0,58
‫ﻭﺭ‬
.‫ﺍﻹﺳ ﻣﻳﺔ‬
‫ﻁ ﻭﻝ ﻛﺎﺑ ﻝ ﺍﻟﻬﺑ ﻭﻁ‬
= Lx
‫ﻫﺑ ﻭﻁ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﺍﻟﻣﺳ ﻣﻭﺡ ﺑ ﻪ‬
% ‫ﺔ‬
‫ﺑﺔ ﺍﻟﻣﺋﻭﻳ‬
‫ﺑﺎﻟﻧﺳ‬
‫ﺍﻟﻔﻌﻠﻳ‬
I
‫ﺍﺭﺳ ﻡ ﺧﻁ ﺎ ﻣﺳ ﺗﻘﻳﻣﺎ ﺑﻳ ﻥ ﻗﻳﻣ ﺔ‬
q
‫ﻣﺣﻭﺭ‬
‫ﻣﻭﺗ ﻭﺭ ﻏ ﺎﻁﺱ ﺃﺣ ﺎﺩﻱ ﺍﻟﻁ ﻭﺭ‬
U × ΔU
I × 2 × 100 ×
-- -
cos
sin
XI
+
q
‫ﻣﻭﺗ ﻭﺭ ﻏ ﺎﻁﺱ ﺛﻼﺛ ﻲ ﺍﻷﻁ ﻭﺍﺭ‬
U × ΔU
I × 1,73 × 100 ×
-- -
sin
XI
+
q
[‫]ﻡ‬
‫ﻁ ﻭﻝ ﺍﻟﻛﺎﺑ ﻝ ﺍﻟﻬ ﺎﺑﻁ ﺍﻟﻐ ﺎﻁﺱ‬
[‫]ﻓﻭﻟ ﺕ‬
‫ﺔ‬
‫ﺔ ﺍﻟﻣﻘﻧﻧ‬
‫ﺍﻟﻔﻭﻟﺗﻳ‬
[%]
‫ﺔ‬
‫ﻭﻁ ﺍﻟﻔﻭﻟﺗﻳ‬
‫ﻫﺑ‬
‫ﻥ ﻟﻠﻣﻭﺗ‬
‫ﻰ ﺍﻟﻣﻘﻧ‬
‫ﺎﺭ ﺍﻷﻗﺻ‬
‫ﺍﻟﺗﻳ‬
0,9 cos φ
0,02
:‫ﺍﻟﻣﻘﺎﻭﻣ ﺔ ﺍﻟﻧﻭﻋﻳ ﺔ‬
0,436
sin φ
:‫ﺍﻟﻣﻘﺎﻭﻣ ﺔ ﺍﻟﺣﺛﻳ ﺔ‬
‫ﻳﻣﻛ ﻥ ﺗﺯﻭﻳ ﺩ ﺍﻟﺗﺭﻛﻳ ﺏ ﺑﻭﺳ ﻳﻠﺔ ﺣﻣﺎﻳ ﺔ ﻣ ﻥ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﺍﻟﺯﺍﺋ ﺩﺓ ﻟﺣﻣﺎﻳ ﺔ‬
‫ﺍﻟﻣﻭﺗ ﻭﺭ ﻣ ﻥ ﺍﻟﺗﻐ ﻳﺭﺍﺕ ﺍﻟﻣﻔﺎﺟﺋ ﺔ ﻓ ﻲ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﻓ ﻲ ﺧﻁ ﻭﻁ ﺗﻐﺫﻳ ﺔ ﺍﻟﻘ ﺩﺭﺓ ﺇﺫﺍ‬
.10
‫ﻛ ﺎﻥ ﺍﻟ ﺑﺭﻕ ﻳﺿ ﺭﺏ ﻓ ﻲ ﻣﻛ ﺎﻥ ﻣ ﺎ ﻓ ﻲ ﺍﻟﻣﻧﻁﻘ ﺔ. ﺍﻧﻅ ﺭ ﺍﻟﺷ ﻛﻝ‬
L1
L2
L3
‫ﻳﻣﻛﻧ‬
PE
‫ﺍﻟﺗﻳ‬
‫ﻟﺗﻘﻠﻳ‬
825045
‫ﺛﻼﺛ ﻲ ﺍﻷﻁ ﻭﺍﺭ‬
‫ﺗﺭﻛﻳ ﺏ ﻭﺳ ﻳﻠﺔ ﺣﻣﺎﻳ ﺔ ﻣ ﻥ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﺍﻟﺯﺍﺋ ﺩﺓ‬
‫ﻟ ﻥ ﺗﺣﻣ ﻲ ﻭﺳ ﻳﻠﺔ ﺍﻟﺣﻣﺎﻳ ﺔ ﻣ ﻥ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﺍﻟﺯﺍﺋ ﺩﺓ، ﺭﻏ ﻡ ﺫﻟ ﻙ، ﺍﻟﻣﻭﺗ ﻭﺭ ﻣ ﻥ‬
‫ﻳﺟ ﺏ ﺗﻭﺻ ﻳﻝ ﻭﺳ ﻳﻠﺔ ﺍﻟﺣﻣﺎﻳ ﺔ ﻣ ﻥ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﺍﻟﺯﺍﺋ ﺩﺓ ﺑﺎﻟﺗﺭﻛﻳ ﺏ ﺃﻗ ﺭﺏ ﻣ ﺎ‬
‫ﻳﻣﻛ ﻥ ﻟﻠﻣﻭﺗ ﻭﺭ ﻭﺩﺍﺋﻣ ﺎ ﻁﺑﻘ ﺎ ﻟﻠﻘ ﻭﺍﻧﻳﻥ ﺍﻟﻣﺣﻠﻳ ﺔ. ﺍﺳ ﺄﻝ ﺟﺭﻭﻧ ﺩﻓﻭﺱ ﻋ ﻥ‬
‫، ﺭﻏ ﻡ ﺫﻟ ﻙ، ﺃﻱ ﺣﻣﺎﻳ ﺔ ﺇﺿ ﺎﻓﻳﺔ ﻣ ﻥ ﺍﻟ ﺑﺭﻕ ﺣﻳ ﺙ‬
‫: ﺍﻟﺗﻳ‬
I
‫ﻟﺑ‬
‫ﻳﺗﻭﻓ ﺭ ﻁﻘ ﻡ ﺃﻁ ﺭﻑ ﺗﻭﺻ ﻳﻝ ﻛﺎﺑ ﻝ ﺧ ﺎﺹ ﻣ ﻊ ﻭﺳ ﻳﻠﺔ ﺣﻣﺎﻳ ﺔ ﻣ ﻥ ﺍﻟﻔﻭﻟﺗﻳ ﺔ‬
‫ﻟﻠﻣﻭﺗ‬
‫ﺃﻭ‬
799911
‫)ﺭﻗ ﻡ ﺍﻟﻣﻧﺗ ﺞ‬
Lx
‫ﺗﻛ ﻭﻥ ﻛ ﺎﺑﻼﺕ ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﺍﻟﻐﺎﻁﺳ ﺔ ﺫﺍﺕ ﺃﺑﻌ ﺎﺩ ﻟﻠﻐﻣ ﺭ ﻓ ﻲ‬
‫ﺍﻟﺳ ﺎﺋﻝ، ﻭﻟ ﻥ ﻳﻛ ﻭﻥ ﻟﻬ ﺎ ﺑﺎﻟﺿ ﺭﻭﺭﺓ ﻣﻘﻁ ﻊ ﻋﺭﺿ ﻲ ﻛ ﺎﻑ ﻟﺗﻛ ﻭﻥ‬
q
‫ﺗﺄﻛ ﺩ ﻣ ﻥ ﺃﻥ ﺍﻟﻛﺎﺑ ﻝ ﺍﻟﻬ ﺎﺑﻁ ﺍﻟﻐ ﺎﻁﺱ ﻳﻣﻛ ﻥ ﺃﻥ ﻳﺗﺣﻣ ﻝ ﻏﻣ ﺭﺍ ﺩﺍﺋﻣ ﺎ ﻓ ﻲ ﺍﻟﺳ ﺎﺋﻝ‬
:‫ﺔ‬
‫ﺎﺕ ﺍﻵﺗﻳ‬
‫ﻳﺟ ﺏ ﺃﻥ ﻳﻛ ﻭﻥ ﻣﻘ ﺎﺱ ﺍﻟﻛﺎﺑ ﻝ ﺍﻟﻬ ﺎﺑﻁ ﺍﻟﻐ ﺎﻁﺱ ﻣﻧﺎﺳ ﺑﺎ ﻟﻠﺗﻳ ﺎﺭ ﺍﻷﻗﺻ ﻰ‬
‫ﻳﺟ ﺏ ﺃﻥ ﻳﻛ ﻭﻥ ﺍﻟﻣﻘﻁ ﻊ ﺍﻟﻌﺭﺿ ﻲ ﻛﺎﻓﻳ ﺎ ﻟﺟﻌ ﻝ ﻫﺑ ﻭﻁ ﻣ ﺎ ﻟﻠﻔﻭﻟﺗﻳ ﺔ ﻓ ﻲ ﻁ ﻭﻝ‬
.‫ﺗ ﻭﺭﺩ ﺟﺭﻭﻧ ﺩﻓﻭﺱ ﻛ ﺎﺑﻼﺕ ﻫﺎﺑﻁ ﺔ ﻏﺎﻁﺳ ﺔ ﻟﻧﻁ ﺎﻕ ﻭﺍﺳ ﻊ ﻟﻠﺗﺭﻛﻳﺑ ﺎﺕ‬
‫ﻭﻟﻣﻌﺭﻓ ﺔ ﺍﻟﻣﻘ ﺎﺱ ﺍﻟﺻ ﺣﻳﺢ، ﺗﻘ ﺩﻡ ﺟﺭﻭﻧ ﺩﻓﻭﺱ ﺃﺩﺍﺓ ﻗﻳ ﺎﺱ ﻟﻠﻛﺎﺑ ﻝ ﻋﻠ ﻰ‬
= L
= L
L
U
ΔU
I
ρ
q
Xl
‫ﺍﻟﺣﻣﺎﻳ ﺔ ﻣ ﻥ ﺍﻟ ﺑﺭﻕ‬
L
N
PE
825017
‫ﺃﺣ ﺎﺩﻱ ﺍﻟﻁ ﻭﺭ‬
.‫ﺿ ﺭﺑﺔ ﺑ ﺭﻕ ﻣﺑﺎﺷ ﺭﺓ‬
.‫ﻭﺳ ﺎﺋﻝ ﺍﻟﺣﻣﺎﻳ ﺔ ﻣ ﻥ ﺍﻟ ﺑﺭﻕ‬
MS 402
‫ﻳﺭ‬
.‫ﺃﻧﻬ ﺎ ﻣﻌﺯﻭﻟ ﺔ ﻟﻠﻐﺎﻳ ﺔ‬
‫ﺑﻭﺻ ﺔ‬
4
‫ﺍﻟﺯﺍﺋ ﺩﺓ ﻣﺩﻣﺟ ﺔ ﻟﻣﻭﺍﺗ ﻳﺭ ﺟﺭﻭﻧ ﺩﻓﻭﺱ‬
‫ﻣﻘ ﺎﺱ ﺍﻟﻛﺎﺑ ﻝ‬
.‫ﻓ ﻲ ﺍﻟﻬ ﻭﺍء ﺍﻟﻁﻠ ﻖ‬
.‫ﺍﻟﻔﻌﻠ ﻲ ﻭﻋﻧ ﺩ ﺩﺭﺟ ﺔ ﺍﻟﺣ ﺭﺍﺭﺓ ﺍﻟﻔﻌﻠﻳ ﺔ‬
‫ﻝ ﺍﻟﻣﺗﻁﻠﺑ‬
‫ﻟﻠﻛﺎﺑ‬
(q)
‫ﻳﺟ ﺏ ﺃﻥ ﻳﻠ ﺑﻲ ﺍﻟﻣﻘﻁ ﻊ ﺍﻟﻌﺭﺿ ﻲ‬
.‫ﻭﺭ‬
.‫ﺗ ﻭﺭﺩ ﻣ ﻊ ﺍﻟﻣﻭﺗ ﻭﺭ‬
‫ﺃﺩﺍﺓ ﻗﻳ ﺎﺱ ﺍﻟﻛﺎﺑ ﻝ‬
6.3
6 . 3
10 ‫ﺷ ﻛﻝ‬
1 0 ‫ﻝ ﻙ ﺵ‬
‫ﺏ ﻣﻭﺍﺗ‬
‫ﻻ ﺗﺗﻁﻠ‬
.(799912
6.4
6 . 4
‫ﺗﺤـــﺬﻳﺮ‬
‫ﻥ ﻟﻠﻣﻭﺗ‬
‫ﺍﻟﻣﻘﻧ‬
.‫ﻭﻻ‬
‫ﻝ ﻣﻘﺑ‬
‫ﺍﻟﻛﺎﺑ‬
USB
‫ﺷ ﺭﻳﺣﺔ‬
11 ‫ﺷ ﻛﻝ‬
1 1 ‫ﻝ ﻙ ﺵ‬

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