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KEPCO KLN Series (750W, 1500W, 3000W), Main Contro Firmware Version 1.70 and higher User Manual

Page 14

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KLN Series 051614

OUTPUT CHARACTERISTICS

Type of Stabilizer

Constant Voltage (CV)/Constant Current (CC),
automatic crossover

Adjustment Range

Voltage:
Current:

0 to 100% of rated voltage
0 to 100% of rated current

Protective functions

Programmable overvoltage (OVP),
Programmable overcurrent (OCP),
Overtemperature (OTP),
Fuse blown

Protection setting range

Overvoltage:

Overcurrent:

0% to 110% of rated voltage
0% to 110% of rated current

Remote Error Sense Compensation

5V max. (See Table 1-1.)

Parallel Operation

Up to 5 units maximum, automatic load sharing

Current sharing tolerance:

1% at rated current, 5% at 50% of rated current, 10% at
less than 10% of rated current

Series Operation

2 units maximum (total voltage must not exceed 600V)

Temperature Coefficient

Constant Voltage Mode,
Constant Current Mode:

100ppm/°C of rated output voltage or current, after 30 min-
ute warm-up

Time (Drift)

Constant Voltage Mode,
Constant Current Mode:

0.05% of rated output voltage or current over 8hrs interval
following 30 minutes warm-up. Constant line, load and tem-
perature.

Transient response time

Constant Voltage mode:

20V and under:

1.5ms;

30V~100V:

1ms

150V~600V:

2ms

Hold-up time

20ms

Efficiency

750W:

1500W:
3000W:

76% – 87%
77% – 88%
82% – 88%

Isolation Voltage

Input - Outputs:

Input - Ground:

Output - Ground (6V-150V)

Output - Ground (300V-600V)

2000V a-c: 1 minute
2000V a-c: 1 minute
350V d-c, leakage current: 100

A

1200V d-c, leakage current: 100

A

PROGRAMMING CHARACTERISTICS - LOCAL

Display resolution

Voltage and Current:

4 digits (setting and display)

Display setting accuracy

Voltage:
Current:

±0.1% ± 3C

(2)

at rated voltage

±0.5% ± 3C

(2)

at rated current

Display reading accuracy

Voltage:
Current:

±0.2% ± 3C

(2)

at rated voltage

±0.5% ± 3C

(2)

at rated current

(2) C = 1 count of the last displayed digit.

TABLE 1-2. KLN GENERAL SPECIFICATIONS (CONTINUED)

SPECIFICATION

RATING/DESCRIPTION