To enter the setup mode, press and hold the button for roughly 4 to 5 seconds until the screen changes. Use the + and - buttons to modify values, and press SET to save and move to the next parameter. Step 1: Target Cos (Power Factor) Screen Display: COS or a value like 0.95
A full list of what the flashing codes mean:
: The delay before a capacitor is switched in (often set to 4s–60s) to allow for discharge.
Program the exact number of physical capacitor steps wired to the controller (from 1 up to 8). Step 5: Connection and Reconnection Delay Time Screen Display: DEL (Seconds) circutor computer 8d96 manual full
If you need help adjusting settings for a specific system layout, tell me: What is your ? What are the kvar sizes of your individual capacitor steps?
: The second and subsequent steps are double the capacity of the first step.
— Binary progressive step arrangement for fine-tuned scaling. Step 5: Delay Timers (tC and tE) To enter the setup mode, press and hold
💡 : Always ensure your Current Transformer (CT) is installed on a different phase than the voltage measurement phases (e.g., CT on L1, Voltage on L2-L3) for correct phase-shift calculation.
Using the manual’s formula: You have 10 kVar capacitors. At 400V, current per step = 10,000 / (400 * 1.732) = ~14.4A. C/k = 14.4 / 500 = 0.0288. Set to 0.03 .
If you need help calculating your or choosing the right switching sequence program , let me know: What is the kvar rating of your smallest capacitor step? Program the exact number of physical capacitor steps
The C/K factor is the most critical calculation for smooth automatic operation. It prevents the regulator from over-correcting and hunting. It is calculated using the following formula:
If you tell me which part of the manual you need, I can give you a detailed for:
The is part of the "Computer-8d" series of power factor regulators, which were historically produced in two sizes: the 96mm x 96mm Computer-8d-96 and the larger Computer-8d-144 for DIN 43 700 panel mounting. Manufactured by the Spanish company Circutor S.A., this regulator is designed for automatic power factor correction in electrical installations. It continuously monitors the grid's power factor (cos φ) and automatically connects or disconnects capacitor banks as needed.
Enter the primary current value of your transformer divided by 5. Example : For a 500/5A CT, adjust the value to . Step 2: Target Define the desired power factor value. The factory standard is usually set to 1.00 .