Hitachi SJ Series User Manual page 12

Chapter 1 Chapter 1
1.6 Response to European Directive (CE) 1.6 Response to European Directive (CE) 1.6 Response to European Directive (CE) 1.6 Response to European Directive (CE) 1.6 Response to European Directive (CE) 1.6 Response to European Directive (CE)
CAUTION for EMC CAUTION for EMC CAUTION for EMC
1.6.1 1.6.1
(Electromagnetic Compatibility) (Electromagnetic (Electromagnetic Compatibility) Compatibility)
The SJ series P1 inverter conforms to requirements of the The SJ series P1 inverter conforms to requirements of the The SJ series P1 inverter conforms to requirements of the The SJ series P1 inverter conforms to requirements of the The SJ series P1 inverter conforms to requirements of the The SJ series P1 inverter conforms to requirements of the
Electromagnetic Electromagnetic Electromagnetic Electromagnetic Electromagnetic Electromagnetic Compatibility Compatibility Compatibility Compatibility Compatibility Compatibility
(2014/30/EU). However, when using the inverter in Europe, (2014/30/EU). However, when using the inverter in Europe, (2014/30/EU). However, when using the inverter in Europe, (2014/30/EU). However, when using the inverter in Europe, (2014/30/EU). However, when using the inverter in Europe, (2014/30/EU). However, when using the inverter in Europe,
you must comply with the following specifications and you must comply with the following specifications and you must comply with the following specifications and you must comply with the following specifications and you must comply with the following specifications and you must comply with the following specifications and
requirements to meet the requirements to meet the requirements to meet the requirements to meet the EMC Directive and other
standards in Europe: standards in Europe: standards in Europe:
WARNING: This equipment must be installed, WARNING: This equipment must be installed, WARNING: This equipment must be installed, WARNING: This equipment must be installed, WARNING: This equipment must be installed,
adjusted, and maintained by qualified engineers adjusted, and maintained by qualified engineers adjusted, and maintained by qualified engineers adjusted, and maintained by qualified engineers adjusted, and maintained by qualified engineers
who have expert knowledge of electric work, who have expert knowledge of electric work, who have expert knowledge of electric work, who have expert knowledge of electric work, who have expert knowledge of electric work,
inverter inverter inverter inverter inverter operation, operation, operation, operation, operation,
circumstances that can occur. Otherwise, personal circumstances that can occur. circumstances that can occur.
injury may result. injury may result.
1. Power supply requirements 1. Power supply requirements 1. Power supply requirements 1. Power supply requirements
a. Voltage fluctuation must be a. Voltage fluctuation must be a. Voltage fluctuation must be -15% to +10% or less.
b. Voltage imbalance must be ±3% or less. b. Voltage imbalance must be ±3% or less. b. Voltage imbalance must be ±3% or less. b. Voltage imbalance must be ±3% or less.
c. Frequency variation must be ±4% or less. c. Frequency variation must be ±4% or less. c. Frequency variation must be ±4% or less. c. Frequency variation must be ±4% or less.
d. Total harmonic distortion (THD) of voltage must be d. Total harmonic distortion (THD) of voltage d. Total harmonic distortion (THD) of voltage d. Total harmonic distortion (THD) of voltage
±10% or less. ±10% or less.
2. Installation requirement 2. Installation requirement 2. Installation requirement
a. SJ series P1 includes a built-in EMC filter. The built a. SJ series P1 includes a built a. SJ series P1 includes a built
EMC filter must be activated. EMC filter must be activated. EMC filter must be activated.
3. Wiring requirements 3. Wiring requirements 3. Wiring requirements
a. A shielded wire (screened cable) must be used for a. A shielded wire (screened cable) must be used for a. A shielded wire (screened cable) must be used for a. A shielded wire (screened cable) must be used for a. A shielded wire (screened cable) must be used for
motor wiring, and the length of the motor wiring, and the length of the cable must be motor wiring, and the length of the motor wiring, and the length of the
according to the following table (Table 1 on page 1 according to the following table (Table 1 on page 1 according to the following table (Table 1 on page 1 according to the following table (Table 1 on page 1 according to the following table (Table 1 on page 1-12).
b. The carrier frequency must be set according to the b. The carrier frequency must be set according to the b. The carrier frequency must be set according to the b. The carrier frequency must be set according to the b. The carrier frequency must be set according to the
following table to meet an EMC requirement (Table 1 following table to meet an EMC requirement (Table 1 following table to meet an EMC requirement (Table 1 following table to meet an EMC requirement (Table 1 following table to meet an EMC requirement (Table 1
on page 1 on page 1-12).
c. The main circuit wiring must be separated from the c. The main circuit wiring must be separated from the c. The main circuit wiring must be separated from the c. The main circuit wiring must be separated from the c. The main circuit wiring must be separated from the
control circuit wiring. rcuit wiring.
4. Environmental requirements 4. Environmental requirements 4. Environmental requirements 4. Environmental requirements
(to be met when a filter is used) (to be met when a filter is used) (to be met when a filter is used)
a. SJ series P1 inverter that is an activated built-in EMC a. SJ series P1 inverter that is an activated built a. SJ series P1 inverter that is an activated built a. SJ series P1 inverter that is an activated built
filter must be according to SJ series P1 specifications. filter must be according to SJ series P1 specifications. filter must be according to SJ series P1 specifications. filter must be according to SJ series P1 specifications. filter must be according to SJ series P1 specifications.
(EMC) (EMC) (EMC) (EMC) (EMC) (EMC) Directive Directive Directive Directive Directive Directive
EMC Directive and other EMC Directive and other
and and and and and the the the the the hazardous hazardous hazardous hazardous hazardous
Otherwise, personal Otherwise, personal
15% to +10% or less.
must be
in EMC filter. The built in EMC filter. The built-in
cable must be
in EMC
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Safety Instructions/Risks Safety Instructions/Risks Safety Instructions/Risks Safety Instructions/Risks