公开(公告)号：US09091259B2

公开(公告)日：2015-07-28

申请号：US13667910

申请日：2012-11-02

Applicant: ABB Oy

Inventor： Jussi Tamminen ,  Juha Viholainen

IPC: F04B49/06 ,  F04B49/00 ,  F04B23/04 ,  F04B23/06 ,  F04B49/10

CPC classification number: F04B49/00 ,  F04B23/04 ,  F04B23/06 ,  F04B49/065 ,  F04B49/103 ,  F04B2203/0209 ,  F04B2205/05

Abstract: A method and controller for operating pumps wherein each pump is modelled by a QH model indicating a high-efficiency region, a high-H region and a high-Q region and a rotational speed limit. A controller dynamically maintains a current set of operating pumps and controls their rotational speed (n). In steady-state operation, wherein the pumps operate in the high-efficiency region and below the rotational speed limit, all pumps of the current set are controlled together. If the pumps operate in the high-Q region or beyond the speed limit, a new pump is added to the current set, started and brought to a speed that produces flow. A balancing operation (12-3) follows the pump addition operation, wherein the speed of the pumps of the current set are adjusted for equal heads. If the pumps operate in the high-H region, a pump is removed from the current set of pumps.

Abstract translation: 一种用于操作泵的方法和控制器，其中每个泵由表示高效率区域，高H区域和高Q区域以及转速极限的QH模型建模。 控制器动态地维护当前的一组操作泵并控制它们的转速（n）。 在稳态操作中，其中泵在高效区域中操作并且低于转速极限，所有电流组的泵都被一起控制。 如果泵在高Q区域运行或超出限速，则会在当前组中添加新的泵，并启动并达到产生流量的速度。 在泵附加操作之后进行平衡操作（12-3），其中针对相等的头部调整电流组的泵的速度。 如果泵在高H区域运行，泵将从当前的泵组中移除。

公开(公告)号：US20130108473A1

公开(公告)日：2013-05-02

申请号：US13667910

申请日：2012-11-02

Applicant: ABB Oy

Inventor： Jussi Tamminen ,  Juha Viholainen

IPC: F04B49/00

CPC classification number: F04B49/00 ,  F04B23/04 ,  F04B23/06 ,  F04B49/065 ,  F04B49/103 ,  F04B2203/0209 ,  F04B2205/05

Abstract: A method and controller for operating pumps wherein each pump is modelled by a QH model indicating a high-efficiency region, a high-H region and a high-Q region and a rotational speed limit. A controller dynamically maintains a current set of operating pumps and controls their rotational speed (n). In steady-state operation, wherein the pumps operate in the high-efficiency region and below the rotational speed limit, all pumps of the current set are controlled together. If the pumps operate in the high-Q region or beyond the speed limit, a new pump is added to the current set, started and brought to a speed that produces flow. A balancing operation (12-3) follows the pump addition operation, wherein the speed of the pumps of the current set are adjusted for equal heads. If the pumps operate in the high-H region, a pump is removed from the current set of pumps.

Abstract translation: 一种用于操作泵的方法和控制器，其中每个泵由表示高效率区域，高H区域和高Q区域以及转速极限的QH模型建模。 控制器动态地维护当前的一组操作泵并控制它们的转速（n）。 在稳态操作中，其中泵在高效区域中操作并且低于转速极限，所有电流组的泵都被一起控制。 如果泵在高Q区域运行或超出限速，则会在当前组中添加新的泵，并启动并达到产生流量的速度。 在泵附加操作之后进行平衡操作（12-3），其中针对相等的头部调整电流组的泵的速度。 如果泵在高H区域运行，泵将从当前的泵组中移除。