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Braking Resistor Types and Installation Guide
Previously, we received a request for quotation containing just one specification: ‘120 kW, air-cooled or liquid-cooled, please provide a quote.’ We replied…
Changes to the Battery Thermal Management System: What Should the Electric Bus Team Re-verify?
A practical guide to reviewing coolant, pump, battery, software and installation changes in an electric bus battery thermal management system.
Verlässt Ihr Bus das Depot warm? BTMS-Preconditioning vor dem Winter richtig spezifizieren
Noch bevor der erste Fahrgast zusteigen konnte, hatte der Winter bereits die Schwachstellen der Busflotte offenbart. Wenn die Batterie eines Busses beim…
Reading a BTMS Quotation: Five Lines That Decide Whether the Unit Fits Your Vehicle
Suppose the vehicle interface voltage in your project can reach 820 V. You then receive a quotation for a 12 kW unit.…
Full Power on a Mild Day: Why Your HVCH Needs Modulated Output
With the outside temperature at 12 degrees Celsius, the cabin is already comfortable enough, yet the heater is still running at full…
HVCH Not Starting? Check Low-Voltage Supply and Wake-Up
During vehicle testing, it is truly dreadful to encounter a cold morning only to find that the heater will not start. The…
EV Coolant Is Not Engine Antifreeze: What to Specify for Battery Thermal Loops
‘Can’t we just use that green liquid?’ We hear this question all the time—perhaps more often than you might imagine. It is…
Multiple High-Voltage Coolant Heaters: Plan the Power Budget First
Review power budgets, control coordination and coolant routing when considering multiple high-voltage coolant heaters for electric buses and trucks.
Battery Pack Thermal Management: Match the Cold Plate to the BTMS
Review battery cold-plate requirements, coolant conditions and supplier responsibilities before selecting a BTMS.