Grundfos Control MPC-Serie Installationsanleitung Seite 410

Operation > Further settings > Control mode > Closed loop.
‫( ﻭ‬ 2.1.3) Alternative setpoints 8.5.4
‫ﻓ ﻲ ﻭﺿ ﻊ ﺍﻟﺗﺣﻛ ﻡ ﻣﻔﺗ ﻭﺡ ﺍﻟﻌﻘ ﺩﺓ، ﺗﻌﻣ ﻝ ﺍﻟﻣﺿ ﺧﺎﺕ ﻋﻧ ﺩ ﺳ ﺭﻋﺔ ﺛﺎﺑﺗ ﺔ. ﻳﺗ ﻡ‬
‫%(. ﺃﺩﺍء ﺍﻟﻣﺿ ﺧﺔ‬ 100-0) ‫ﺣﺳ ﺎﺏ ﺳ ﺭﻋﺔ ﺍﻟﻣﺿ ﺧﺔ ﻣ ﻥ ﺍﻷﺩﺍء ﺍﻟ ﺫﻱ ﺣ ﺩﺩﻩ ﺍﻟﻣﺳ ﺗﺧﺩﻡ‬
.‫ﺑﺎﻟﻧﺳ ﺑﺔ ﺍﻟﻣﺋﻭﻳ ﺔ ﻳﺗﻧﺎﺳ ﺏ ﻣ ﻊ ﻣﻌ ﺩﻝ ﺍﻟﺗ ﺩﻓﻖ‬
‫ﻏﺎﻟ ﺑ ً ﺎ ﻣ ﺎ ﻳ ُﺳ ﺗﺧﺩﻡ ﻭﺿ ﻊ ﺍﻟﺗﺣﻛ ﻡ ﻣﻔﺗ ﻭﺡ ﺍﻟﻌﻘ ﺩﺓ ﺣﻳﻧﻣ ﺎ ﻳﻛ ﻭﻥ ﺍﻟﻧﻅ ﺎﻡ ﻣﺗﺣﻛ ﻣ ً ﺎ‬
.‫ﺑ ﻪ ﺑﻭﺍﺳ ﻁﺔ ﻭﺣ ﺩﺓ ﺗﺣﻛ ﻡ ﺧﺎﺭﺟﻳ ﺔ ﺗﺗﺣﻛ ﻡ ﻓ ﻲ ﺍﻷﺩﺍء ﻋ ﺑﺭ ﺇﺻ ﺩﺍﺭ ﺇﺷ ﺎﺭﺓ ﺧﺎﺭﺟﻳ ﺔ‬
‫ﻳﻣﻛ ﻥ ﺃﻥ ﺗﻛ ﻭﻥ ﻭﺣ ﺩﺓ ﺍﻟﺗﺣﻛ ﻡ ﺍﻟﺧﺎﺭﺟﻳ ﺔ ﻋﻠ ﻰ ﺳ ﺑﻳﻝ ﺍﻟﻣﺛ ﺎﻝ ﻧﻅ ﺎﻡ ﺇﺩﺍﺭﺓ ﻣﻌ ﺯﺯ ً ﺍ‬
MPC ‫. ﻓ ﻲ ﻣﺛ ﻝ ﻫ ﺫﻩ ﺍﻟﺣ ﺎﻻﺕ، ﻳﻛ ﻭﻥ ﻧﻅ ﺎﻡ‬
. 23 ‫ﻭ‬ 22
(‫)ﻣﻔﺗ ﻭﺡ ﺍﻟﻌﻘ ﺩﺓ‬ ‫ﻧﻅ ﺎﻡ ﺗﻌ ﺯﻳﺯ ﻣ ﺯﻭﺩ ﺑﻭﺣ ﺩﺓ ﺗﺣﻛ ﻡ ﺧﺎﺭﺟﻳ ﺔ‬
[‫/ ﺳ ﺎﻋﺔ‬ 3 ‫]ﻣ ﺗﺭ‬ ‫ﻣﻌ ﺩﻝ ﺍﻟﺗ ﺩﻓﻖ‬
0
5
‫ﻣﻧﺣ ﻧﻰ ﺍﻟﺗﻧﻅﻳ ﻡ ﻟﻧﻅ ﺎﻡ ﺍﻟﺗﺣﻛ ﻡ ﻣﻔﺗ ﻭﺡ ﺍﻟﻌﻘ ﺩﺓ‬
[‫/ ﺳ ﺎﻋﺔ‬ 3 ‫]ﻣ ﺗﺭ‬ ‫ﻣﻌ ﺩﻝ ﺍﻟﺗ ﺩﻓﻖ‬
100
75
50
25
5 50 70.7
‫ﻓ ﻲ ﺍﻟﻧﻅ ﺎﻡ ﻣﻔﺗ ﻭﺡ ﺍﻟﻌﻘ ﺩﺓ‬ MPC-E
410
‫ﺍﻹﻋ ﺩﺍﺩ ﻋ ﺑﺭ ﻟﻭﺣ ﺔ ﺍﻟﺗﺷ ﻐﻳﻝ‬
•
‫ﻋﻳ ﻥ ﻧﻘﻁ ﺔ ﺍﻟﺿ ﺑﻁ ﺍﻧﻅ ﺭ ﺍﻟﻘﺳ ﻣﻳﻥ‬
. (2) Operation 8.5.1
Open loop
MPC ‫ﺎﻡ‬ ‫ﻳﻠﻪ ﺑﻧﻅ‬ ‫ﻡ ﺗﻭﺻ‬
‫ﻛﻠﻳﻥ‬ ‫ﺭ ﺍﻟﺷ‬ ‫ﻐﻳﻝ. ﺍﻧﻅ‬ ‫ﺔ ﺃﺩﺍﺓ ﺗﺷ‬
22 ‫ﺷ ﻛﻝ‬
2 2 ‫ﻝ ﻙ ﺵ‬
‫]%[ ﻣ ﻥ ﻭﺣ ﺩﺓ ﺍﻟﺗﺣﻛ ﻡ‬ ‫ﺍﻹﺩﺧ ﺎﻝ‬
‫ﺍﻟﺧﺎﺭﺟﻳ ﺔ‬
23 ‫ﺷ ﻛﻝ‬
2 3 ‫ﻝ ﻙ ﺵ‬
‫ﻣﻌ ﺩﻝ ﺍﻟﺗ ﺩﻓﻖ‬
1 ‫ﺍﻟﻣﺿ ﺧﺔ‬
2 ‫ﺍﻟﻣﺿ ﺧﺔ‬
3 ‫ﺍﻟﻣﺿ ﺧﺔ‬
4 ‫ﺍﻟﻣﺿ ﺧﺔ‬
‫]%[ ﻣﻥ ﻭﺣ ﺩﺓ‬ ‫ﺍﻹﺩﺧ ﺎﻝ‬
‫ﺍﻟﺗﺣﻛ ﻡ ﺍﻟﺧﺎﺭﺟﻳ ﺔ‬
86.6 100
‫ﻣﻧﺣ ﻧﻰ ﺍﻟﺗﻧﻅﻳ ﻡ ﻟﻧﻅ ﺎﻡ‬ 24 ‫ﺷ ﻛﻝ‬
2 4 ‫ﻝ ﻙ ﺵ‬
•
‫ﻳﺗ‬
‫ﺑﻣﺛﺎﺑ‬
‫ﻳﻭﺟ ﺩ ﻭﺿ ﻌﺎ ﺗﺣﻛ ﻡ ﻭﻫﻣ ﺎ ﻧﻅ ﺎﻡ ﺍﻟﺗﺣﻛ ﻡ ﻣﻐﻠ ﻖ ﺍﻟﻌﻘ ﺩﺓ ﻭﻧﻅ ﺎﻡ ﺍﻟﺗﺣﻛ ﻡ ﻣﻔﺗ ﻭﺡ‬
PI ‫" ﺣﻳ ﺙ ﺗﺿ ﻣﻥ ﻭﺣ ﺩﺓ ﺍﻟﺗﺣﻛ ﻡ‬
‫ﺍﻟﻣﺩﻣﺟ ﺔ ﺑﻠ ﻭﻍ ﺍﻟﻧﻅ ﺎﻡ ﻧﻘﻁ ﺔ ﺍﻟﺿ ﺑﻁ ﺍﻟﻣﺣ ﺩﺩﺓ ﻭﺍﻹﺑﻘ ﺎء ﻋﻠﻳﻬ ﺎ. ﻳﺳ ﺗﻧﺩ ﺍﻷﺩﺍء‬
‫ﻭ‬ 20 ‫ﺇﻟ ﻰ ﻧﻘﻁ ﺔ ﺍﻟﺿ ﺑﻁ ﺍﻟﻣﺣ ﺩﺩﺓ ﻟﻧﻅ ﺎﻡ ﺍﻟﺗﺣﻛ ﻡ ﻣﻐﻠ ﻖ ﺍﻟﻌﻘ ﺩﺓ. ﺍﻧﻅ ﺭ ﺍﻟﺷ ﻛﻠﻳﻥ‬
PI ‫ﻳﺗ ﻡ ﺍﻟﺗﺣﻛ ﻡ ﻓ ﻲ ﻧﻅ ﺎﻡ ﺍﻟﺗﻌ ﺯﻳﺯ ﺑﻭﺍﺳ ﻁﺔ ﻭﺣ ﺩﺓ ﺍﻟﺗﺣﻛ ﻡ‬
‫]ﺑ ﺎﺭ‬ ‫]ﺍﻟﺿ ﻐﻁ‬
‫ﻧﻘﻁ ﺔ ﺍﻟﺿ ﺑﻁ‬
Control mode (2.1.2)
Control mode
Closed loop
Closed loop " ‫ﻭﺿ ﻊ ﺍﻟﺗﺣﻛ ﻡ ﺍﻟﻧﻣﻭﺫﺟ ﻲ ﻫ ﻭ‬
(‫)ﻣﻐﻠ ﻖ ﺍﻟﻌﻘ ﺩﺓ‬ ‫ﺍﻟﻣﺩﻣﺟ ﺔ‬
[‫]ﺛ ﻭﺍﻥ‬
‫ﻣﻧﺣ ﻧﻰ ﺍﻟﺗﻧﻅﻳ ﻡ ﻟﻠﻧﻅ ﺎﻡ ﻣﻐﻠ ﻖ ﺍﻟﻌﻘ ﺩﺓ‬
8.5.3
8 . 5 . 3
19 ‫ﺷ ﻛﻝ‬
1 9 ‫ﻝ ﻙ ﺵ‬
‫ﺍﻟﻭﺻ ﻑ‬
.‫ﺍﻟﻌﻘ ﺩﺓ‬
. 21
20 ‫ﺷ ﻛﻝ‬
2 0 ‫ﻝ ﻙ ﺵ‬
‫ﺍﻟ ﺯﻣﻥ‬
21 ‫ﺷ ﻛﻝ‬
2 1 ‫ﻝ ﻙ ﺵ‬