Building management system with central plantroom dashboards

Abstract

A plant room management system. The plant room management system may include one or more memory devices configured to store instructions thereon that, when executed by one or more processors, cause the one or more processors to obtain steady-state values of data samples generated by plant room equipment and generate key performance indicators based on the steady-state values; and generate a dashboard that displays the generated key performance indicators. The dashboard may include a plant efficiency and building cooling load widget that displays plant efficiency and building cooling load; a chiller efficiency and chiller cooling load widget that displays chiller efficiencies and chiller cooling load for a chiller; and a plant energy consumption widget that displays energy consumption grouped by equipment type.

What is claimed is: 
     
         1 . A plant room management system comprising one or more memory devices configured to store instructions thereon that, when executed by one or more processors, cause the one or more processors to:
 obtain steady-state values of data samples generated by plant room equipment and generate key performance indicators based on the steady-state values; and   generate a dashboard that displays the generated key performance indicators, the dashboard comprising:
 a plant efficiency and building cooling load widget that displays plant efficiency and building cooling load; 
 a chiller efficiency and chiller cooling load widget that displays chiller efficiencies and chiller cooling load for a chiller; and 
 a plant energy consumption widget that displays energy consumption grouped by equipment type. 
   
     
     
         2 . The plant room management system of  claim 1 , wherein the one or more processors generate the key performance indicators based only on the steady-state values. 
     
     
         3 . The plant room management system of  claim 1 , wherein the steady-state values are associated with a period of time in which values generated by the plant room equipment remain within a predetermined range. 
     
     
         4 . The plant room management system of  claim 1 , wherein the one or more processors obtain the steady-state values of the generated data samples by:
 obtaining the generated data samples;   identifying values of the generated data samples that are associated with successive time stamps;   determining that the identified values are within a threshold of each other; and   based on the determination that the values are within the threshold of each other, determining that the identified values are associated with a steady-state condition of operation.   
     
     
         5 . The plant room management system of  claim 1 , wherein the one or more processors obtain the steady-state values of the generated data samples by:
 obtaining the generated data samples;   identifying values of generated data samples that are associated with successive time stamps;   determining that the identified values are not within a threshold of each other; and   based on the determination that the identified values are not within the threshold of each other, disregarding the identified values.   
     
     
         6 . The plant room management system of  claim 1 , wherein the one or more processors obtain the steady-state values of the generated data samples by:
 determining whether values of the generated data samples are associated with times that the plant room is in a running condition; and   disregarding any values that are not associated with times that the plant room equipment is in the running condition.   
     
     
         7 . The plant room management system of  claim 1 , the dashboard further comprising a leaving water temperature widget that displays a minimum and a maximum leaving water temperature over time for a chiller. 
     
     
         8 . The plant room management system of  claim 1 , the dashboard further comprising a delta temperature widget that displays a minimum and a maximum delta water temperature over time for a chiller. 
     
     
         9 . The plant room management system of  claim 1 , the dashboard further comprising:
 a chiller supply temperature and chiller active power widget that displays temperature and demand over time for a chiller;   a cooling tower leaving temperature and cooling tower active power widget that displays temperature and demand over time for a cooling tower; and   a building cooling load and outside air temperature widget that displays total cooling load and outside air temperature over time.   
     
     
         10 . A method for monitoring and controlling a plant room, the method comprising:
 obtaining values of data samples generated by plant room equipment that is operating in a running condition and generating key performance indicators based on the values; and   generating a dashboard that displays the generated key performance indicators, the dashboard comprising:
 a plant efficiency and building cooling load widget that displays plant efficiency and building cooling load; 
 a chiller efficiency and chiller cooling load widget that displays chiller efficiencies and chiller cooling load for a chiller; and 
 a plant energy consumption widget that displays energy consumption grouped by equipment type. 
   
     
     
         11 . The method of  claim 10 , wherein generating the key performance indicators comprises generating the key performance indicators based only on values generated by plant room equipment that is operating in the running condition. 
     
     
         12 . The method of  claim 10 , wherein the running condition is associated with times in which the plant room equipment is turned on. 
     
     
         13 . The method of  claim 10 , the dashboard further comprising a run hours comparison widget that displays run hours for a plurality of equipment units. 
     
     
         14 . The method of  claim 10 , the dashboard further comprising:
 a chiller supply temperature and chiller active power widget that displays temperature and demand over time for a chiller;   a cooling tower leaving temperature and cooling tower active power widget that displays temperature and demand over time for a cooling tower; and   a building cooling load and outside air temperature widget that displays total cooling load and outside air temperature over time.   
     
     
         15 . The method of  claim 10 , wherein obtaining values of data samples generated by the plant room equipment that are operating in the running condition further comprises:
 determining which values are associated with a steady-state condition; and   disregarding any values that are not associated with the steady-state condition.   
     
     
         16 . A plant room management system comprising one or more memory devices configured to store instructions thereon that, when executed by one or more processors, cause the one or more processors to:
 obtain steady-state values of data samples generated by plant room equipment that is operating in a running condition and generate key performance indicators based on the steady-state values; and   generate a dashboard that displays the generated key performance indicators, the dashboard comprising:
 a plant efficiency and building cooling load widget that displays plant efficiency and building cooling load; 
 a chiller efficiency and chiller cooling load widget that displays chiller efficiencies and chiller cooling load for a chiller; and 
 a plant energy consumption widget that displays energy consumption grouped by equipment type. 
   
     
     
         17 . The plant room management system of  claim 16 , wherein the one or more processors generate the key performance indicators based only on the steady-state values that are generated by plant room equipment that is operating in the running condition. 
     
     
         18 . The plant room management system of  claim 16 , the dashboard further comprising a run hours comparison widget that displays run hours for a plurality of equipment units. 
     
     
         19 . The plant room management system of  claim 16 , wherein the one or more processors obtain the steady-state values of the generated data samples by:
 obtaining the generated data samples;   identifying values of generated data samples that are associated with successive time stamps;   determining that the values are within a threshold of each other; and   based on the determination that the values are within the threshold of each other, determining that the values are associated with a steady-state condition of operation.   
     
     
         20 . The plant room management system of  claim 16 , wherein the one or more processors generate key performance indicators by disregarding any generated data samples that are not associated with times that the plant room equipment is operating in the running condition.