Water Industry - WIMES compliant compressors

Avelair can offer bespoke air compressor packages built to WIMES – the Water Industry and Mechanical Engineering Standards and have supplied these to Scottish Water, Anglia Water, Southern Water, Welsh Water to name but a few. These packages are normally duty / standby air compressors with the necessary air treatment and control required for individual site requirements. Please find an overview below:

Type: Rotary screw air compressors • Airend: Encapsulated • Motor: High efficiency IE 3 . • Pressure range: 6 – 14.5 bar • Capacity: 0 – 1500 m³/hr

Specification: The cable and sizes in the electrical panel will be compliant with:

WIMES 3.01 Low voltage switchgear & control gear assembles

WIMES 3.04 Low voltage electrical specification for package plant

Test function isolator as required in the above spec.

Traffolyte labels on the exterior as require in the above spec

Identification and labelling of conductors and equipment

Food grade lubricant

Available as packed units complete with receivers, filtration, dryers, and condensate management systems or as duplex skid mounted and containerised systems.

Control options: Standard Control via electronic S1 controller

Each compressor is fitted with its own local controller giving a de-centralised system in event of Common control section or communications failure, enabling both compressors to be able to run individually, giving maximum plant availability. The local controller also enables machine specific parameters to be adjusted or modified.

The S1 controllers will enable full running control and plant availability, but is limited on amount of information and diagnostic data it can provide

Hours run
Outlet pressure
Internal pressure
Running temperature
Service due
Machine operating status
Fault and alarm can all be viewed locally

Remote signals available:

Running
Faults
Machine availability

Control options: Advanced Control via Schnieder HMI

Avelair can offer sophisticated compressor controllers giving full running control and maximum plant availability, this system gives full information and diagnostic data, all of which can be made available to client’s master controller. These benefits are outlined as follows.

This system offers comprehensive protection of the motor feeder by means of a combination of different, multi-step and delayable protection and monitoring functions:

Inverse-time delayed solid-state overload protection

(CLASS 5 to 40)

Thermistor motor protection
Phase failure/unbalance protection
Stall protection
Monitoring of adjustable limit values for the motor current
Voltage and power monitoring
Monitoring of the power factor (motor idling/load shedding)
Ground-fault monitoring
Temperature monitoring, e. g. over PT100/PT1000
Monitoring of operating hours, downtime and number of starts, etc.

This system can record measuring curves and therefore is able, for example, to present the progression of motor current during motor start-up. Different operating, service and diagnostics data available and helps to detect potential faults in time and to prevent them by means of preventative measures. In the event of a malfunction, a fault can be diagnosed, localized and rectified very quickly – there are no or very short downtimes.

Available Operating data

Motor switching state derived from the current flow in the main circuit
All phase currents
All phase voltages and phase-to-phase voltage
Active power, apparent power and power factor
Phase unbalance and phase sequence
Time to trip
Motor temperature
Remaining cooling time, etc. Service data
Motor operating hours
Motor stop times
Number of motor starts
Number of overload trips
Interval for compulsory testing of the enabling circuits
Energy consumed
Internal comments stored in the device etc. Diagnostics data
Numerous detailed early warning and fault messages
Internal device fault logging with time stamp
Time stamping of freely selectable status, alarm or fault messages etc.

Communications

This system has either an integrated PROFIBUS DP interface (SUB-D or terminal connection) or a PROFINET interface (2 x RJ45).

Cyclic services (DPV0) and acyclic services (DPV1)
Extensive diagnostics and process alarms
Time stamp with high timing precision
DPV1 communication after the Y-Link
Line and ring bus topology thanks to an integrated switch
Media redundancy via MRP protocol
Operating, service and diagnostics data via standard web browser
OPC UA server for open communication with visualization and control system
NTP-synchronized time
Interval function and measured values for energy management via PROFIenergy
Module exchange without PC memory module through proximity detection
Extensive diagnostics and maintenance alarms

Avelairs sophisticated compressor controller system contributes to energy efficiency throughout the plant as follows:

Energy consumption
Clear display of the energy consumption of compressor motor by means of the acquisition and transmission of all operating and consumption date, such as current, voltage, active and reactive power, energy consumption, motor temperature, etc.
Energy management:

Evaluation of energy measured values (e. g. limit value monitoring) with exporting of local or central actions (= forwarding to higher-level)

PROFIenergy

The controller supports the PROFIenergy functions. Reduced energy consumption thanks to automatic disconnection in the intervals and forwarding of the measured values for higher-level energy management systems.

Additional options for either control system