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Add: Tianxin Industrial Zone, Tangxia town, Dongguan City, Guangdong, P.R.China.

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10-160KW Emergency Power System

Champion CPTT Series UPS is 3 Phase in & 3 Phase out, large power and true on-line Uninterruptible Power System. The range of capacity is from 10KVA to 300KVA(single UPS). It supports redundant parallel connected up to 8 sets. Each set of UPS will share load automatically. Champion CPTT series incorporates Digital Signal Processor(DSP) Technology, Application Specific Integrated Circuit(ASIC) and large power IGBT. It is unmatched in reliability and ensure very low running costs, thereby guaranteeing good returns due to energy saving. Since it provides 100% Pure Sine Wave out put, it guarantees full safety of your highly sophisticated equipment.


Introduction to Working Principles

1.1 Overview
These EPS series are the power equipment that can provide a voltage- and frequency-stable power system free from power network interruption. When power failure happens, EPS can supply electric power to the load for a period. These EPS series adopt the high frequency double transformation structure with an output separation transformer and apply all the advanced digital control technologies to achieve a stable, clean, and uninterrupted output and complete network management functions.




1.2 Working Principle
As shown in Fig. 1-1, EPS mainly composes a REC (rectification) module and INV (inverse transformation) module, bypass static input switch SW2, maintenance bypass air switch SW3, output separation transformer, inverse static switch, storage battery set, and input switch SW1, output air switch SW5 and so on. The circuit illustration of a single set EPS is shown in Fig. 1-2.



Fig. 1-2 Illustration of the Primary Circuit Working Principle


for a Single Set EPS
The main input power supply is entered through K1 air-breaker into REC rectification unit by input inductor and separation transformer. The rectifier will transform three-phase alternative current into a stable direct current power, where the rectifier also serves as an electric charger. This part of circuits adopts delay “soft start” and all-phase control technologies to increase the impulse resistant capacity of the system and stability of direct master line voltage, decrease ripples of the storage batteries and extend their life.

When storage batteries are connected via K2 and contactor, the storage battery set can be connected to DC master line and the storage batteries can supply DC power to inverter through direct current filter circuits only if direct current master line voltage reaches a certain threshold value.

Inverter adopts DSP, MCU and DDC real-time processing all-digital vector control technology and, and by digital sine wave pulse, modulates six IGBT power switch parts of DSPWM to transform the DC power supply into three-phase AC power. The output separates load terminal and input side through △/Y0 transformer, static switch, air-breaker K4 and other functional parts.

Bypass input power is input through air-breaker K3 and output after being controlled by bypass static switch.

EPS paralleling system applies digital signal processing (DSP) control technology and independent on-line logic paralleling technology. Each set of UPS introduces paralleling logic signals and circulating current test signals. Up to 8 sets of UPS can directly be paralleled in paralleling system connection. The EPS power system can realize many working modes, such as N+X redundant paralleled connection, capacity-increased parallel and serial hot backup, and so on. Without any auxiliary equipment added on, on-line EPS paralleling connection can shorten power failure time, and even eliminate power cut to achieve high reliability of the system.

1.3Working Modes
1.Normal working modes
2. Working Mode of the Batteries
3.Bypass Working Mode
4.ECO Working Mode
5.Maintenance Working Mode
6.Combined Power Supply Working Mode
7.Paralleling Working Mode


1.4Basic functions

Battery Management: The EPS system has an advanced battery management function, including battery malfunction test, prediction of backup time after battery discharge, battery self-test, etc.

Delay Soft Start: The delay soft start of the EPS system can greatly reduce the impulse to the equipment and power network during the start process of the EPS system.

Warning and Protection: The EPS system can give many forms of warnings, and the warning happening can currently be prompted immediately, accurately and specifically through sound, light, LCD, input and output node and network transmission.

Cold Start: The EPS system can directly be started with battery set when no AC input is made.

Automatic Restart after Electric Supply Recovered: The function of Automatic Restart after Electric Supply Recovered is specially designed for the application in the circumstance that the EPS equipment is connected to backup batteries. After the under-voltage protection is applied on the backup batteries, it allows EPS power source to be automatically started when AC power is re-supplied normally. The power supply mode is selected according to the working mode already set up.

Monitor System: The monitor system of this EPS system provides superior monitoring of the system itself, and supports flexible network monitor, so it can fully meet the demands of various users.

Parallel Connection: The EPS system can redundantly work in a parallel connection of up to 8 sets of EPS to meet the demands in reliability for the loads.

1.5Specifications of Performances

Parameters of the EPS System


1.Input of rectifier: See Table 1
Table 1

Model 10 KW 15 KW 20 KW 30 KW 40 KW 50 KW 60 KW 80 KW 100 KW 120 KW 140 KW 160 KW
Nominal (KVA) 10 15 20 30 40 50 60 80 100 120 140 160
Working mode and principle

Working mode and principle: On line power supply, static bypass switch (non-interruption switch), double transformation technology, complete separation of output power.

Phase number Three phases + N + G
Nominal voltage 380VAC±25%
Nominal freq. 50Hz±10%,60Hz±10%
Voltage harmonic distortion <10%
Soft start 0~100%  5sec


2.Output of rectifier: See Table 2

Model 10 KW 15 KW 20 KW 30 KW 40 KW 50 KW 60 KW 80 KW 100 KW 120 KW 140 KW 160 KW
Max. Output voltage 432VDC 448V
Charging current can be set 10A~20A (adjustable)


3.Batteries: See Table 3
Table 3



10 KW 15 KW 20 KW 30 KW 40 KW 50 KW 60 KW 80 KW 100 KW 120 KW 140 KW 160 KW
28 42 56 85 113 141 169 205 255 304 360 450
Number of batteries 32节 33节
Nominal battery voltage 384VDC 396VDC
Floating charge voltage 432VDC 488VDC
Charging current 10A~20A (adjustable)


4.Inverter: See Table 4
Table 4

Model 10 KW 15 KW 20 KW 30 KW 40 KW 50 KW 60 KW 80 KW 100 KW 120 KW 140 KW 160 KW
Phase number Three phases + N + G
Nominal voltage 380VAC±1%(stead state load)
Nominal freq. 50Hz±0.05%,60Hz±0.05%(battery power supply)
Freq. Stability: as insynchronic <±0.05%
Freq. Stability: as synchronic <±2%
Wave peak factor 3:1
Output wave form Sine wave
Total harmonic distortion Linear load<3%; Non-linear load<5%
Instant change of dynamic load
(from 0 to 100%)
Instant recovery time <10ms
Balanced load voltage <±1%; <±5% (unbalanced load voltage)
Overload capacity 125% 10min,150%  1Min
Inverter efficiency, of load 100%  91 91 92 92 93 93 93 95

5.Bypass: See Table 5

Model 10 KW 15 KW 20 KW 30 KW 40 KW 50 KW 60 KW 80 KW 100 KW 120 KW 140 KW 160 KW
Bypass input current(A) 19 28 38 56 78 95 114 152 189 227 265 303
Phase number Three phase + N + G
Nominal voltage 380VAC±25%
Nominal frequency 50Hz±5%,60Hz±5%
Inverter/Bypass (transforming time) <100ms


6.System: See Table6
Table 6

Model 10 KW 15 KW 20 KW 30 KW 40 KW 50 KW 60 KW 80 KW 100 KW 120 KW 140 KW 160 KW
Output single bypass 19 28 38 56 78 95 114 152 189 227 265 303
Efficiency load 100% >90%
Communication port RS232
Running temperature 0~40℃
Relavtive humidity (不凝结) 5%~95% 
Operation altitude (max.) <1000 m (1% power lost as increased every 100m, maximum 4000m)
Cool mode Forced ventilation
Noise dB (subject to load and temperature, 1 meter to the UPS) 48-60 53-65
Box color Grey
Input cables Bottom / back
Maintenance Front/ Up / Left and Right side
External size (WXHXD)(mm3) 560×1140×800 560×1400×800


Weight (kg) 210 258 350 400 480 580 650 900 1200 1300 1350 1480
Input component Line connecting terminal row
Output component Line connecting terminal row

* Remark: the above data are for reference. Once any changes are found, please refer to the physical sizes of the equipment.

Chapter 2: Rack Installation

2.1 Environmental requirements:

● Working temperature: 0-40˚C
● Storage temperature: -40-70˚C (with batteries installed)
              -20-55˚C (without batteries installed)
● Relative humidity: 5%-95%, non-condensing
● Altitude above sea level: 1500 m, in compliance with the altitude-fall requirements set in Standard GB3859.2-93.
● Verticality: Free from vibration and vertical gradient within 5 degrees

The EPS system should be installed at the cool and clean environment with good ventilation and proper humidity. Working temperature is recommended at 20-25˚C, and humidity is controlled around 50%.


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