Eaton 93PR - Chapter 2 INTRODUCTION

Eaton 93PR 500 kW UPS
User's and Installation Guide 6
Chapter 2 INTRODUCTION
Eaton 93PR 500kW UPS series uninterruptible power supply (UPS) is a true online, continuous-duty, transformerless,
double-conversion, three-phase modular system that supplies conditioned and uninterruptible AC power to critical load and
protects it from power failures.
Eaton 93PR 500kW UPS has flexible power scalability from 50 kVA to 4.0 MV, hot swappable modular and standard design,
high flexibility and applicability, market leading efficiency, availability and performance, very suitable to applications of micro
data center (MDC), small-middle-large data center, automation, medical etc. to protect power and customized power system
solution.
The UPS system is housed in two cabinet on parallel with safety shields behind the door for hazardous voltage protection.
Each UPS cabinet has a centralised system static bypass. The available static bypass rating is 500kW. The static bypass size is
chosen according to UPS system power. For example, if future requirement is to upgrade the UPS capacity, the UPS bypass
rating will have to be selected accordingly. In addition, the bypass ratings of all UPS cabinets in a parallel system need to be
matched.
Eaton 93PR 500kW UPS output power ratings are based on 50kW rated uninterruptible power modules (UPMs). A single UPS
cabinet can house one to ten UPM to get UPS power rating requirement.
A UPM includes a rectifier, inverter, battery converter, and independent controls. The UPM is hot swappable (Hot Swap) Each
UPM is able to operate independently from the other power modules.
NOTE
Startup and operational checks must be performed by an authorized Eaton Customer Service Engineer, or the warranty terms
specified in Chapter 9 Warranty become void. This service is offered as part of the sales contract for the UPS. Contact service in
advance (usually a two-week notice is required) to reserve a preferred startup date.