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EA33KTLSI / EA40KTLSI

High Reliability

  • Long lifetime design of film capacitor, 25 years of designed service life for complete machine
  • Natural heat dissipation, waterproof, dust resistance, salt fog resistance and corrosion resistance
  • Active+passive islanding protection
  • Multilayer, step-by-step overcurrent, overvoltage, overtemperature and short-circuit protections for software and hardware
  • 6 strings fault monitoring with rapid positioning

Characteristics

More Energy Generated

  • Transformerless design, maximum conversion efficiency up to 98.6%, Europe efficiency up to 98.4%
  • Three MPP
  • Gain maximum energy generated by shadowed PV cells
  • Wide MPPT voltage range (320 ~ 900V), longer daily power generation time
  • Intelligent MPPT algorithm
  • The maximum power point tracking is not affected by abrupt change of illumination
  • Accurate identification technology of power change
  • Static MPPT is stable and accurate
  • Wide operating temperature range (– 25 °C ~ + 60 °C), continuous power generation at full load in high temperature

Advanced Control Technology

  • Double modulation of three level SPWM and SVPWM, natural and smooth switch
  • Adaptive control, adapting to harsh weak power grids environment
  • Harmonic current compensation, THD < 1%
  • Supporting active and reactive power grid dispatch and SVG function at night
  • LVRT function

Friendly and Flexible

  • Status display with LED indicators, concise interface
  • Built-in DC SPD and fuse, no need of DC combiner box, reducing cost for users
  • DC shut-off circuit breaker for safe and convenient maintenance operating
  • IP 65 protection level for outdoor use
  • Wall mounting design, one-step forming of aluminum shell
  • Standard RS485 / APP / GPRS / Wi-Fi / Bluetooth communications; Optional PLC viewing the system operation information

Technical Specifications

MODEL

EA33KTLSI

EA40KTLSI

INPUT (DC)

Max. DC input power

33800 W

40800 W

Max. DC input voltage

1000 V

Starting voltage

200 V

Max. DC input current

3 × 23A

MPP voltage range

320 ~ 900 V

Full-load MPP voltage range

480 ~ 800 V

580 ~ 850 V

Number of MPP inputs

3

Nominal DC input voltage

620 V

680 V

DC terminals

2 × 6

MPPT efficiency (static)

> 99.9%

Withstanding voltage & insulation for DC input against the enclosure

Basic insulation 3000 Vdc / 1 min

OUTPUT (AC)

Rated output power

30 KW

36 KW

Max. apparent power

33 KVA

40 KVA

Rated output voltage

3 × 380 / 400 / 415 Vac +N+PE

3 × 277 / 480 Vac +PE

Rated output current

3 × 45.9 A

Max. allowable output current

3 × 48 A

Rated frequency

50 Hz / 60 Hz

DC component

< 0.5% (rated current)

THD

< 3% (rated power)

Power factor

0.8 leading ~ 0.8 lagging

Withstanding voltage & insulation for AC output sides against the enclosure

Basic insulation 3000 Vdc / 1 min

EFFICIENCY

Max. inverter efficiency

98.7%

98.9%

Europe efficiency

98.4%

98.5%

PROTECTIONS

Input reverse connection protection

Yes

DC input switch

Yes

DC overvoltage and overload protection

Yes

Output AC short-circuit protection

Yes

AC overload, overcurrent limitation and protection

Yes

Grid over / under-voltage and unbalanced protection

Yes

Grid over / under-frequency protection

Yes

Leakage protection

Yes

Lightning protection

Yes

Islanding protection

Active and passive protection

DC surge protection

Yes

AC surge protection

Yes

Insulation resistance testing protection

Yes

CERTIFICATES AND APPROVALS

Certificates

VDE / TUV / CE / CQC

Grid-connected standard

TUV / VDE-AR-N-4105 / G59

EMC / safety

EN 61000-6-2, EN61000-6-3, EN 61000-3-2, EN 61000-3-3, EN 61000-3-11, EN 61000-3-12, EN / IEC 62109-1, EN / IEC 62109-2

DISPLAY AND COMMUNICATIONS

Display

LED indicators / Bluetooth / APP

RS485

Yes

USB

Yes

PLC

Optional

APP and Bluetooth

Yes

OTHERS

Standby loss

< 15 W

Topology

Transformerless

MTBF

40000 h

Warranty

Standard 5 years, optional 10 / 15 / 20 / 25 years

Operating temperature

– 25 °C ~ + 60 °C

Cooling

Natural cooling

Relative humidity

0 ~ 100% non-condensing

IP rating

IP 65

Max. operating altitude

3000 m

Dimensions (W × D × H) (mm)

260 × 580 × 800

Packaged dimensions (W × D × H) (mm)

345 × 690 × 935

Net weight (kg)

≤ 65

Gross weight (kg)

< 70