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Automatic Aeration

Aerators are the biggest power bill and the lifeline of the pond — this page collects TAYKEE's aeration control logic, VFD configuration and reliability design.

The right aeration logic: oxygen on demand, not on a timer

A timer that runs aerators from 1~2 a.m. and again at noon is a bet on the weather. Only two things decide whether aeration is needed: the current DO reading and where it is heading (weather, water temperature, feeding load). TAYKEE ties aeration directly to the DO threshold: start below the warning line, stop in stages once the comfort band is restored — no night watch required.

Four-speed staging: spend the electricity where it matters

DO rangeAerator action
<3 mg/L (warning)Run at ~50 Hz full speed + alarm push
3~5 mg/LEconomic run at ~35 Hz
5~6 mg/LSlow hold at ~20 Hz
>6 mg/L (ample)Standby — no idle running

Every hour at full speed costs the same, but most hours do not need full speed. VFD output-on-demand cuts whole-system electricity by roughly 20% in field experience — saved power is straight profit.

How to size the VFD

Aerators have a heavy starting surge, so the VFD must not be sized exactly to the motor nameplate: keep a 15%~20% power margin — a 1.5 kW aerator gets a 2.2 kW VFD. Pond-side environments are humid and dusty, so choose IP65 or better, with lightning and leakage protection.

Multiple aerators: stage them in, never all at once

Starting every aerator simultaneously stresses the supply line and stirs up the bottom in one go. The right pattern is staged starting: run half first, watch how fast DO climbs, then bring in the next batch. That requires enough independent outputs — the TAYKEE TK-R12 twelve-channel board (three phases U/V/W × 4 channels = 12 high-current relay outputs, universal 380V/220V) switches aerators in groups or commands VFDs, with loading sized per channel current.

No network does not mean no control, and power cuts recover cleanly

The control logic lives on the pond-side controller, not in the cloud. During a 4G outage the controller keeps starting and stopping aerators by threshold and uploads data after reconnection; the platform monitors and configures but sits outside the real-time control loop. After a power cut the controller restarts reliably into its working state. These two properties decide whether the system can really stand night watch for you.

Related reading

When Should Aerators Run?Not a timer schedule: night, muggy days and after feedingVFD and DO Linked Aeration ControlFour-speed staging logic and output-on-demandAerator Sizing and Power CostHow many aerators per mu, and why VFDs cut power roughly 20%Multi-Aerator StagingStart half first, add more only if DO keeps fallingHow TAYKEE WorksThe full closed loop from DO data to aeratorMulti-Pond Management and Controller CapacityPer-pond thresholds, twelve outputs, grouped alarmsIs Aquaculture IoT Worth ItFour cases where it pays, three where it does notWhy Pond Farms Need 24-Hour DO MonitoringThe nightly DO decline and the 2~5 a.m. minimum

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