EC series 303

Double conversion, regenerative, VFI, MPWM, IGBT, microprocessor based UPS with galvanic isolation for comprehensive power protection.

Double conversion, regenerative, VFI, MPWM, IGBT, microprocessor based UPS with galvanic isolation for comprehensive power protection.

EC-303-series is a highly rugged, industrial grade Online UPS designed for harsh electrical and environmental conditions and has a high surge current handling capability.

Wide input voltage window, long backup capability and high inrush current delivery are its unique features.

Accurate frequency and precision voltage regulation, achieved using VFI technology, provides the much-needed protection for the sensitive load. (Phase to Phase (P-P) and Phase to Neutral (P-N) voltage regulation less than 1 % on 100 % unbalanced load).

Weather resistant design with protection against corrosion, excessive temperature and humidity are the other standard features of this series.

Special design with IP-43 & IP-54 protection is also available.

EC-303-series is a complete power conditioner; apart from providing reliable back-up, also provides international levels of voltage regulation, frequency stabilization and power factor correction for non-linear loads.

Hot swappable battery option enables the faulty batteries to be replaced, even as the UPS continues to power the loads. Complies to international standards.

EC-series offers superior levels of protection against all input power related problems and provides regenerated clean network grade high- quality power to the connected loads.

Galvanic isolation via transformer (as per IEC62040) eliminates problems associated with common mode noise, neutral and earth potential drifts which can cause irreparable loss.

APPLICATIONS

  • Process Industry
  • Garment Industries
  • Automated Manufacturing
  • CNC Machines
  • Hospital
  • Servers and Data Centers
  • MRI and CT scanners
  • Research Labs
  • Movie Theatres
  • Shipboard Systems
  • Military and Aerospace

 

 

Technical Specification

Note: The details given below are for EC 303 Series True online UPS of capacity 60 KVA. Certain parameters like Input Current, Charging Current etc. will vary as per the capacity.

General

  EC-series Online UPS MODEL EC 303

Technology

DC Bus 3600V
Rating 60 KVA
Technology Double conversion Online with the latest MPWM technology using IGBT

Input

Input Frequency 50Hz ± 10%
Input PFC 25 % Load 25A
50 % Load 48A
75 % Load 70A
100 % Load 93A
Input Voltage 415V AC -3 Phase & Neutral
Input Voltage Window 330-470V
Maximum Input Current per Phase 25 % Load 29A
50 % Load 56A
75% Load 81A
100 % Load 108A
Nominal Input Current per Phase 25 % Load 25A
50 % Load 48A
75 % Load 70A
100 % Load 93A
Power walk in Soft start for 0-20 seconds power walk-in.

Efficiency

100% Load >90
25% Load >87
50% Load >88
75% Load >89
Load 10KVA

Alarms

A potential free contact is built in with which a hooter can be activated to notify the abnormal condition. Input / Low / Fail
A potential free contact is built in with which a hooter can be activated to notify the abnormal condition. Output Overload
A potential free contact is built in with which a hooter can be activated to notify the abnormal condition. Over Temperature
A potential free contact is built in with which a hooter can be activated to notify the abnormal condition. Battery low

Rectifier

Converter Protection Advanced Electronic Protection for device safety backed up with MCB's/ MCCBs & fast acting fuses
Ripple Voltage < 2% without Battery
Type 6 Pulse
Voltage Regulation (±) 1%

Inverter

Crest Factor 3:1
Frequency 50 Hz ± 0.1Hz
Inverter Type IGBT based MPWM with instantaneous Sinewave Control
Mode of Operation Designed for Continuous operation
Nominal output Current Per Phase 70A
Nominal Voltage 400V Ph- Ph :230V Ph- Neutral
Over Load Capacity 100% Continuous
125% 1 Minute
150% 5 Seconds
Power Factor 0.8 lag
Regulation Balanced Load (±) 1%
Unbalanced Load (±) 1%
Switching Frequency 16.4 KHz /8.2 KHz
Total Harmonic Distortion Linear Load < 2%
Non Linear Load < 5%
Transient Response Remains within ± 5% & recover to normal within 20 msec
Unbalanced Load Phase Shift 120&deg&plusmn0.5°
Waveform True Sinewave

Isolation

Inverter Protection Advanced Electronic Protection for device safety backed up up with MCB?s/ MCCBs & fast acting fuses high speed pulse by pulse electronic device protection over voltage / under voltage protection Electronic over current trip with reset.
Isolation True Online with complete galvanic isolation.

Bypass

Efficiency 99.50%
Manual Bypass Provided
Static bypass(Optional) Optional Feature
Transfer Time Mains to Inverter 12-14 ms
Inverter to Mains 12-14 ms
Voltage Range 180-250 V

Battery

Battery Low advance warning at 330V
Battery Low cut off at 315v
Battery Type SMF/ TUBULAR
Battery Voltage - 12 No. of Batteries 30
Charger CCCV
Charging Current Optional 30A
Charging Current Standard 0-10A
Rating 60KVA
Voltage 360V

Environmental

Acoustic Noise level  
Altitude < 3000 Feet above sea level (without derating)
Ambient Temperature 0 to 40 Deg C
Extreme Climatic conditions AC Environment is required if the temperature goes beyond the normal operating temperature (0-40 deg C)
Humidity Up to 95% RH Non condensing
Storage Temperature -10 to 70 Deg C
Testing Standard As per IEC 62040 - 3

Physical

Cable Entry Front side bottom
Cooling Forced Air
Dimensions in mm-D X H X W 700 x 650 x 340 : Approx. Weight 92 Kg
Enclosure Protection Grade IP - 20
Testing Standard As per IEC 62040 - 3
Comments
Manufacturer: 

About SEMED

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