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This energy management software has been designed to answer the differing requirements of management who want analysed data for strategic planning, audit, accounts or tariff negotiations and site personnel who need real time information to optimise plant processes, with the flexibility to move to automatic control if desired.
Energy Wizard has been developed as a result of numerous requests from clients who anticipated the opportunities and pitfalls of the deregulated energy markets of the 1990s and is an additional feature to our very successful MicroScan SCADA package.
Intech Instruments Ltd and ECNZ (who produced the original conceptual design), both have long track records in the Energy Sector. Intech Instruments Ltd supplies software, instrumentation and SCADA systems to Industry in 22 countries world wide. Before being divided during the reforms of the industry, ECNZ was New Zealand’s primary electricity producer with considerable knowledge of electricity markets and large industrial customers.
We believe that the future energy market will lead to more complex industrial tariffs and more price volatility, making automation of load control increasingly valuable as a necessary cost control function. There are two main Wizard modules, the Reporter and the Controller.
The Wizard Monitor (with your existing MicroScan SCADA package) monitors analogue data (kWs, kVAs, litres, or kgs) and can either show these instantaneous values on a mimic diagram on the computer screen or integrate them over time to produce energy consumption figures (e.g. kWhs, kVahs) or flow rates (e.g. litres/sec or kg/hr). These consumption values can be logged periodically.
The Wizard accepts 200 configurable data streams. Data are appended to a master file which is configured to accept a months half hour data (note that it is the typical practice to define the peak kW as the average kW in the half hour with the highest kWh).
This convention perpetuates the need for half hourly logs of data accumulated over the half hour, resetting to zero each period, as the base requirement. Similarly steam flows are usually described in kg/hr or gas flows in GJ/hr and the half hour log provides sufficient sensitivity to produce meaningful flow figures.
Any number of these prime data streams can be combined to provide a maths grouping being a new single stream of data. For example, this may include half the electricity from a feeder A, and all of the electricity from a feeder B, which may equate to the energy used by a product.
Once a maths grouping is established, targets for consumption versus product output can be set and variance and sensitivity analysis carried out. Similarly targets for the controller module can be set so that effective load shedding will occur.
Example of Field Hardware Connections: