Case Studies

Bearing Failure in 3.1MW Motor

3100kW HELMKE SLIP-RING MOTOR | 496rpm | 6000V | 24100kg (Motor Upon Arrival to Avonmore Electrical) Through the customer’s own predictive maintenance methods; high GSE levels and irregular sounds coming from this 3.1MW Helmke Slip-Ring Motor, were detected. It was therefore shipped directly to our Workshop HQ in Cork. Working […]

Energy Saving Project – Recirculation Pumps

Tralee Aquadome Recircirculation Pumps THE PROBLEM Inefficient pumps and control methods were being utilised. THE SOLUTION 2 X 15Kw Pumps were re-selected based on the actual site requirement,and powered using variable speed drives rather than fixed speed. THE RESULT The net result was a saving of 12% on electricity usage,which […]

Disinfection Equipment Upgrade

Disinfection Equipment Upgrade at Montpelier Pump House With an existing system consisting of a single chlorine dosing pump, manually controlled with manual preparation of solution, Avonmore Electrical were tasked with the upgrade of disinfection equipment.ย  THE TASK Scope included the installation of; A fully automatic Duty/Standby UV disinfection system. D/S […]

Energy Saving Upgrades Using Fine Bubble Diffused Aeration

With ever increasing energy costs, Avonmore Electrical has identified the need for an energy reduction benefit as part of every new project. A recent example of this is the contract for the upgrade of Listowel STW Aeration Basin. THE TASK The works involved the replacement of mechanical surface aerators with […]

Pump Replacement Through Modification

RO FEED PUMP, DIW GENERATION PLANT Failed in service on Friday 17thย of July due to severe wear on the Pump Coupling, Pump Shaft and Motor Drive Shaft, both Pump Shaft & Motor Shaft were deemed irreparable. A direct replacement pump was not available from Grundfos, as the pump was deemed […]

Complete Servo Motor Rewind

MOTOR;ย 0.9kW ELWOOD SERVO MOTOR. 6500rpm, 460V. With our new Servo Motor Laboratory fully commissioned, Avonmore Electrical now cater for the immediate servo motor repair needs of industry. Coupling this new lab with our existing electro-mechanical facilities, our in-house capabilities now include quality assured, time efficient servo motor repairs.ย  (Pic: Servo […]

Shaft Voltage Measurement

MOTOR; 460kW LEROY SOMER PERMANENT MAGNET COMPRESSOR MOTOR. 400V, 3600rpm.ย  Initially overhauled in May 2017, when 2 x Insulated Bearings were replaced, Excessive Bearing Failure was once again detected in November 2017. It was agreed to complete a Shaft Voltage Test, as the motor is powered by VSD, Shaft Voltage […]