---
title: "Core Rack Calculations"
slug: "core-rack-calculations"
updated: 2026-09-17T13:55:05Z
published: 2026-09-17T13:55:09Z
canonical: "docs.bazefield.com/core-rack-calculations"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bazefield.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Core Rack Calculations

### **Overview**

The *Core Rack Calculations* is a Certified Product Point Template for [Battery Racks](/product/docs/battery-rack) that defines required normalized real-time performance calculations that scale, or transform several of the points in the [*Core Real-Time Data*](/product/docs/core-real-time-data-rack). These points are required for the Bazefield installation to function properly across all core applications.

These calculations specifically translate OEM-specific signals into consistent indicators of operational state, availability, communication status, and event conditions. By abstracting vendor-specific complexities, the *Core Rack Calculations* enables unified fleet monitoring, reduces configuration overhead, and supports consistent reporting and alarm management across heterogeneous [battery racks](/product/docs/battery-rack) technologies.

The Core Rack Calculations template defines 3 derived calculations for Battery Racks. These calculations provide cell imbalance metrics and OCV-based State of Charge estimation for battery health monitoring.

### **Template Definition**

The *Core Rack Calculations* is defined below. Calculations are one of the following types:

- **Scale Equations** — Algebraic or logical manipulations of input data done on the [Bazefield edge buffer](/product/docs/edge-buffer)
- **Online Expressions** — Algebraic or logical manipulations of input data done on the central Bazefield data engines (typically on a [storage node](/product/docs/storage-node)). Similar to scale equations in purpose, but done in the centralized architecture.
- **Interval Expressions** — Algebraic, logical, or advanced manipulations of input data done within a pre-defined aggregation interval (e.g. 5 minutes, 10 minutes, 1 hour, etc). These are typically done centrally on a [storage node](/product/docs/storage-node).

Details on the Point Names, Descriptions, and Types are below.

Required for Bazefield Core Dashboard functionality

Optional for common additional data streams/sources

### **Calculation Definition Table**

| Name | Description | Type | Interval | Units |  |
| --- | --- | --- | --- | --- | --- |
| CellTempImbalance | Cell-level thermal spread within the rack (CellTempMax - CellTempMin). Industry-standard indicator of uneven cell aging or cooling. | Calculation (Scale Eq) | Real-time | °C |  |
| CellVoltageImbalance | Cell-level voltage spread within the rack (CellVoltageMax - CellVoltageMin). Industry-standard indicator of cell-to-cell SOC imbalance or degradation. | Calculation (Scale Eq) | Real-time | V |  |
| OCVStateOfCharge | OCV-estimated State of Charge via chemistry-specific voltage-SOC lookup curve. Valid only during standby (IEC-OperationState = 2) with low current. Requires OCV-SOC RefCurve. | Calculation (Interval Exp.) | 5 min | % |  |